Can Blood Tests For Pregnancy Be Wrong?



As a general rule, blood tests for pregnancy are more reliable than urine or home pregnancy tests. But they can be wrong. That means, they can show false negative or false positive results in some women. To understand why this can happen, let us understand what blood pregnancy tests are, how they work and what do their results mean.

Blood Pregnancy Tests

A pregnancy blood test or a pregnancy serum test is a test that measures the exact amount of the pregnancy hormone, human chorionic gonadotropin (hCG), in the bloodstream.

Human chorionic gonadotropin (hCG) is a hormone that is produced by the placenta of a pregnant woman. It is detectable in the blood and urine within 10 days of fertilization. There are two types of blood pregnancy tests, namely, quantitative blood test which measures the exact amount of hCG in the blood and qualitative hCG blood test which gives a simple yes or no answer to whether you are pregnant or not.

Blood tests can detect a pregnancy earlier than a home pregnancy test (about 7-12 days from possible conception) and can also measure the concentration of hCG hormone in your blood (this is useful information for your healthcare provider in tracking certain problems in pregnancy). If you suspect any symptoms of pregnancy like delayed menstrual period, breast tenderness, pelvic pain, irregular spotting or vomiting. You must get a pregnancy blood test done to confirm or rule out pregnancy.


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What do the pregnancy blood test results mean?

A healthy pregnancy is expected to show a normal pattern of HCG levels over time. In a pregnant woman the level of human chorionic gonadotropin (hCG) increases throughout the first trimester, then gradually decreases over time. In the first trimester, a woman may have this test done repeatedly to see if the level rises normally. If it doesn’t, the pregnancy is often considered in trouble. After childbirth, miscarriage, or abortion, the level should quickly decrease to zero.

Wrong results with blood pregnancy tests

The test may fail to detect human chorionic gonadotropin (hCG) even when a woman is pregnant if the test is done too early. It takes at least 7 days after fertilization for the test to become positive. In most cases, by the time a woman has missed her period, the test will be positive if she is pregnant.





Greater than normal levels of human chorionic gonadotropin (hCG) may indicate:

  • a tumor of the placenta with death of the fetus
  • multiple pregnancy, such as twins or triplets
  • ovarian cancer and other types of cancer in some cases
  • a normal pregnancy
  • blood or protein in the urine, which can interfere with the result
  • use of medications to prevent seizures, drugs to treat Parkinson’s syndrome, or phenothiazine drugs, such as chlorpromazine, by the mother

Lower-than-normal human chorionic gonadotropin (hCG) levels may indicate:

  • ectopic pregnancy
  • a miscarriage, or abortion.

How reliable are blood pregnancy tests?

Home pregnancy tests are around 97% accurate when done correctly. However, a blood test is more accurate, but not necessarily more sensitive. The results depend a lot on the lab, methodology and technique of the blood test performed.

A quantitative blood test, usually called a beta human chorionic gonadotropin (hCG) test, measures the exact units of human chorionic gonadotropin (hCG) in the blood. That means it will detect even the most minimal level. There is another type of blood test sometimes called a qualitative human chorionic gonadotropin (hCG) test. This is a test that simply gives a yes or no answer to whether you are pregnant.

Just like home pregnancy tests, labs vary in what is considered a positive pregnancy test. Common cutoffs for positive blood tests for pregnancy are 5, 10, and 25 units. A level under 5 is considered negative. A blood test that is only triggered at 25 units of human chorionic gonadotropin (hCG) is not any more sensitive than several of the home pregnancy tests.

  • Taenika

    A few months back I had this happen to me. I have VERY irregular periods due to having the implanon removed and my partner wanted me to take a home pregnancy test, so I did and it came back positive so did the other two that I look. I went to the doctors a few days later and they gave me a urine test which was positive then ordered a blood test. I had the blood test that day and a few days later I got a phone call saying that the result was negative. I still have not had a period since. Does anyone know what might have been the cause of this?

  • earthsmagic

    What did your doctor say about this? In our experience, what you described can happen when you have an early miscarriage.

  • Brenda Katty Channel

    Can anyone explain to me what is going on with my situation at the moment cos am an irregular period patient .But since febuary the 22 d last date of my period .I had a two blood test positive and I had an home test urine tested Negative and since then up to this moment have not seeing my period yet .And i don’t know if am pregnant or not cos have being having pain under my belly and breast tenderness has well .

  • brenda katty channel

    please can you tel me what is happening with my condition .

  • earthsmagic

    So, two blood tests have shown a positive? If that is the case, it would appear that you are pregnant. What did the doctor say?

  • missens

    I went in for IUD counseling they took blood to test for std. Days later I called the 800 number they provide and had 2 messages. The first was a negative on std’s. The 2nd message was for pregnancy results which seemed odd because i asked them if they were testing for pregnancy at the office they said no. So the message said i was positive for pregnancy. I took 2 home tests which said negative, and got an ultrasound she couldnt find anything. Now im on my period. I dont know what to think, i guess its possible they gave me someone else’s results. Thoughts?????

  • http://www.earthsmagic.com/ Vickie B.

    As the Dr. checked with an ultrasound, I would guess that the lab made an error. Unfortunately, that happens more often than they would want people to know.

  • kai

    I had a missed miscarriage last may, it turns out that the doc did not do d Nd c properly and I had to get it done again, after 3 months I starred trying for a baby n cud not succeed, now I tested this month four days before my period n got faint lines for 4 results a little darker then other in 2 days respectively then I went for blood test n it came positive. Today is my period date and I went for u/s doc says its too early and can’t see anything yet I have little cramping plz help

  • http://www.earthsmagic.com/ Vickie B.

    If you took pregnancy tests and they came back positive and you had a blood test come back positive, then you are pregnant. You typically can not see the fetus until you are 5 weeks pregnant. If you were supposed to start today, you will have to wait 3 more weeks before something could be seen.

  • KC

    Ok so my period is late I have been having cramps for the last 4 days and still nothing. I expected it on Friday I went to the doctor and got a blood test recieved results today and it was negative. Can a blood test be wrong this late in my cycle?

  • Leah

    My cycle is like clock work. I run on a 25 day cycle, and have for 10 plus years. I started to notice symptoms such as nausea, frequent urination, a feeling of pressure in my lower abdomen, and my cervix is hard as a rock. I was due to start my cycle this past Friday, I took a home pregnancy test and it came back positive, although the second line was much lighter. On sat I had some very light spotting although I continued to have positive home test until monday. On Monday the home prego test showed negative. My Dr apt was on Tuesday morning. The Dr ordered a urine and blood test. Both came back negative. I’m not sure if it was a beta or qualitative blood test. I still haven’t started my cycle, and still have the symptoms. I am concerned because I take anti seizure medications that lower the folic acid levels, I took the meds up until Friday, and haven’t been on pre-natal. Do you have any input that may be helpful for me?

  • Elle

    My period is now 2 1/2 weeks late (usually a very reliable 28 day cycle). I took many hpt and had a few faint positives at first and a few negatives. I opted for a blood test yesterday and it came back negative. I have sore breasts, slight cramping, very fatigued (I just ran a half marathon at the end of April and now can barely get through 5-6 miles without breaks). I eat very healthy and exercise daily. I typically drink a glass of wine or two a day, but can’t even stomach the thought of alcohol. I am confused and frustrated. If I am not pregnant, I think something is wrong with me. Or, I’m concerned about an ectopic pregnancy. Any suggestions?

  • http://www.earthsmagic.com/ Vickie B.

    Could it be that you had a early miscarriage and your body is just trying to get back to normal? If you are really worried, it would be best to talk with your doctor to see if they feel something is amiss.

  • Elle

    Is it possible to have a miscarriage without any bleeding?

  • gen

    I have to have blood test done out of five preg. only two ever showed up on a dip stick and one did not even show up on blood test yet they are all born healthy.

  • blueskydarkness

    My first blood test was almost a 6 last week 5 days later almost a 11 3 days later a 0.50 how do I know what to believe??

  • http://www.earthsmagic.com/ Vickie B.

    Unfortunately it sounds like you may have had a very early miscarriage. Your doctor would be the best person to discuss these numbers with.

  • tay

    I have gained roughly 25 pounds in a month only in my stomach and boobs, have several other pregnancy symptoms, and even felt this weird faint vibrating thing under my belly button last night that my bf could feel when I put his hand there. My belly is even rounded and hard. I have taken about 6 hpts and they’re all negative. I went to my regular physician and got a blood test which also came out negative. I don’t think its a hysterical pregnancy, as I’m perfectly willing to accept that I’m not pregnant if I’m not. But I even get little beads of clear fluid coming out of my nipples of I squeeze them some. What the hell ya know? Any thoughts?

  • http://www.earthsmagic.com/ Vickie B.

    You really need to lay all these symptoms out for your doctor. An ultrasound would tell for sure if you are pregnant.

  • Daljit

    My lmp was April 8th and I got my first bfp on May 11th and had a beta done on May 17th. That came back at a 2! I kept getting a positive at home on the first response early results even till today. Had another beta done on Wednesday and that came back at 3. I am so confused what is going on? If my level was at a 2/3 hpt should not pick up that low level! I have irregular cycles and few symptoms like nausea and frequent urination couple weeks ago but nothing now. Help!!

  • tlc817

    hey i have took two pregnancy test that both came back positive. I called the doctor to make an appointment which was on Friday. today I woke up and I had slight bleeding which when I wiped it was gone. I called the doctor and she examined me and said that there was no bleeding but told me to get lab work to check my Hcg levels. I think I am having abdominal pain in my lower stomach but I don’t know if its a mind thing because I am so scared about miscarriage. please help me so I wont freak myself out

  • CC

    I had my last period on the 1st may and my doctor has said I’m 6 weeks pregnant from this date. However my blood test results have come back that I’m 2-3 months pregnant? Can they get this wrong with bloods?

  • http://www.earthsmagic.com/ Vickie B.

    The blood test would show the quantity of hcg in your blood. There could be a couple of possible scenarios. 1) Some women do bleed around the period time while pregnant. It isn’t typical, but it does happen. So you could have had this happen.

    2) You have a twin pregnancy (which would result in a higher hcg level) which won’t be picked up until you have an ultrasound.

    Good Luck and congratulations!

  • http://www.earthsmagic.com/ Vickie B.

    Many women have bleeding in early pregnancy. As long as it isn’t prolonged, it really isn’t anything to worry about, especially if the doctor checked it out and didn’t see any fresh blood.

  • http://www.earthsmagic.com/ Vickie B.

    Unfortunately, it sounds like an early miscarriage. :( You would be surprised at how early the pregnancy tests on the market today can pick up. They are usually quite a bit more sensitive than the companies will advertise. If you have continued to have positive pregnancy tests, I would talk with your doctor.

  • shannon

    I had a miscarriage last month on may 12th I took two hpt that came up negative but I went to the dr and had a positive blood test. Could the positive be because of my miscarriage last month?

  • http://www.earthsmagic.com/ Vickie B.

    It can take a while for the hcg to drop to zero. Did your doctor say what the level was? The only way to really figure out is to compare the results of this blood test with another blood test in the near future.

  • Beryl

    Good morning,
    I have all the indications that I’m pregnant but it is a bit difficult to believe. I even had milking. I had a blood test both for beta and prolactin test 4 days ago. Beta is 2,0 (negative) but the prolactin is 37. This morning I did a home pregnancy test which was clearly positive. I will definitely get a new blood test but I have a slight vaginal infection as well as a great desire to further investigate my high prolactin levels. For both cases I need treatments or test that will harm the pregnancy. So in the case of a second negative blood test, should I ignore the results of the recent urine test?? Or can it be that only the urine test was able to detect a real pregnancy?? my doctor is being difficult and insists I should avoid the pregnancy if the new blood test is negative .I’m just worried to harm it if it is there. Thank you so much!

  • Beryl

    By the way my period is 10 days late which is a first for me in 14 years

  • http://www.earthsmagic.com/ Vickie B.

    Unfortunately, in your case, I really can’t suggest anything as this needs to be something you and your doctor work out for your best interest. Are the tests you need really something that has to be done right now. Can they wait for a week or two? If you keep getting positive pregnancy tests, you need to ask your doctor to explain why that might be happening if you are not pregnant, as the blood tests suggest.

  • Sarah

    Last week I had a blood test done to see if I was pregnant, it was a stick yes or no only blood test taken no measuring my hcg levels. it came back that I was indeed pregnant. Now, today I went to the doctor to see where to go from here. They drew more blood to test my hcg levels but called me this afternoon saying they tested my blood from last week and it was negative and did not test any of my blood today to see if I was or not. My question is, would the test results be accurate today considering they were running my blood from last week? I’ve never given birth before but I’ve been having a few signs of pregnancy the major one being that I constantly have to urinate as usually I rarely do. I was not expecting this so all I know is that my period was during the last week of last month. But the kicker is my period began this previous Friday and I worked all weekend and it seemed like I had a pretty regular period usually mine last for roughly 7 days, today I had off which would be day for and I am no longer bleeding. Is it possible I could still be pregnant?

  • http://www.earthsmagic.com/ Vickie B.

    Unfortunately, based on what the doctor’s office did, I don’t know what to think. Maybe you had an early miscarriage and your system is just trying to get back into balance hormonally which would may have accounted for the 4 day period. Have you taken a home pregnancy test? It would be interested to see what would show up there.

  • GUEST

    All looking for feedback in regards to the subjects discussed on this forum. My wife has been 12 days late, still no period and today she went for a blood test. The blood test results were negative and she is very sad. My wife has never been this late and we want to know the facts if she could still be preggers. Can any shed any lite on this situation or stories to keep our spirits up.Guest

  • Bb

    Hi, about a week ago I started feeling sick and just not myself, I was waking up hungry although having good meals, tired, crying over anything, sore muscles, head aches and light bleeding… Not fresh… For the past week and 1 day still bleeding but still brown and a little clotting.. No period pain either.. Had blood test came back negative… Period was due in two days, what’s your thoughts should I re test?

  • joel

    im 5days late and my blood results were neg. :(

  • http://www.babyhopes.com/ Vickie B.

    The potential for pregnancy is always there until your period arrives so I’d wait a day and test with a home pregnancy test.

  • http://www.babyhopes.com/ Vickie B.

    Until her period arrives the potential for pregnancy is there. I see stories frequently enough to know that both home pregnancy tests and blood tests occasionally do not pick up a pregnancy even though the woman is pregnant. If her period doesn’t arrive and the tests keep showing up negative, further investigation by her doctor will be in order.

  • Vance

    I have a question, hopefully someone can answer it. About two months ago I started getting signs of being pregnant. Vertigo, dizziness, food aversions, sore breasts, nausea, headaches, basically the works. My period was about 10 days late, I did get it but it only lasted about 3 days and was not heavy as it usually is. I felt pregnant at the end of April by the way, late period was on the 27th of May. Around the 18th of June I went in to my doctor telling her I feel pregnant, but every at home test is negative (I went threw about 30 of them lol). She did blood work ( I am not sure if it was qualitative or quantitative) called me back and said it was negative. The symptoms still have been occurring. Today I took a test and low and behold it was positive. While I am quite excited and so is my husband, we are both worried. If I in fact have been pregnant as long as I feel I have then something may be wrong with the pregnancy such as ectopic. Many times a tubal will take longer to register because the hormones do not reproduce as quickly as they should. I also have had a presacral neurectomy. That is when they sever the nerve bundle attached to the uterus, women with bad menses from endometriosis have that done sometimes. Basically you lose any sensation of pain associated with cramps, labor, etc. So if it is a tubal, I wouldn’t feel pain from it because of this procedure I had done a while ago. It is Saturday so I obviously can’t get into the doctor, I just wanted to see if anyone has any input on the situation or have ever had a similar experience? I tend to have very high anxiety so I am rather nervous and worried right now and will continue to chew my nails off until I get to the doctor. As I said, any advice, personal experiences, or opinions would be very welcomed. Thank you.

  • Vance

    Hi,

    Just from personal experience there is such thing as a false positive. It is called a chemical pregnancy. Your body basically produces the hormones but you aren’t actually pregnant. I had about 7 positive tests once, went to the OBGYN to find out that I wasn’t pregnant at all. It isn’t extremely common but it happens.

  • Beryl

    Thank you so much for your advice and support. We had two more blood test and 8 days later the blood test got 427 (day 1 hcg 2 , day 5 hcg 91 and day 8 hcg 427). Although it’s still a bit low, it shows that perhaps there was a little someone afterall :) now I will repeat the blood test a week later to see how it goes and of course we need the ultrasound as well.. Thank you once again and I wish all mothers good luck with their hcg journey. Wish us luck !
    Beryl

  • Vane

    I been trying to get pregnant for 5 years now and I missed my period for the first time.. Im always on time I was suppose to get my period June 20 and it’s July 2nd took like 5 urine test with negative results do I went to the doctors to take a blood test and had a negative result too.. I’m very confuse cause this never happen to me before please help

  • austin

    Here I have a good one for you. My husband has been deployed for 4 months now. In jan before he left thought I was pregnant took a test it was neg. A month ago still having pregnancy sytoms I had a blood test and it come out neg. I feel kicking and movement. I have a baby I know what kicking feels like. But for the past two months I feel movemwnt and now kicks. And yet still negitives blood test so…yeah idk what to think? Is it possible to go your whole pregnancy with false test?

  • Amanda

    I had my last period first week of feb and I have not had one since I have taken several home tests and two blood tests a month part only had 1 positive with the home test doctor does not know what is wrong I feel weird popcorn like feelings in my stomach all the time I keep telling myself its gas but I know the difference and the last 2 months my breasts have been severely sore I thought it was because I was gonna start my period but idk now. Doc said he wants to do tests but I have to wait till I’m 6 months late for any serious tests idk what could be going on I’ve gained about 30 lbs since feb but the doc still says I’m not pregnant. I have had to pee a lot more and I feel like my bladder gets fuller faster I seriously think I might be pregnant but with all the negatives I’m doubtful can someone please help me !!!

  • Cara

    Hi. I have endometriosis and experienced an ectopic tubal pregnancy one year ago. Have you been back to the doctor yet? I suggest you get an ultrasound done right away to make sure your fallipian tubes are patent.

  • Jenn Joy

    Hi,
    I just got married in June and we both want kids, I have been feeling pregnant and have about 90% of the pregnancy symptoms. I have taken 4 hpts and all have come back negative. I get so emotional at thedrop of a hat lately and I’m not an emotional girl. I have pain in my lower abdomen that is on and off sometimes its just a twinge sometimes it lasts for hours. I went to the doctor and she wouldn’t listen she said it was dysmetabolic syndrome and did a blood test the same day for pregnancy. I’m concerned that it may come back negative too, but that I am actually pregnant. Does that ever happen?

  • http://www.babyhopes.com/ Vickie B.

    Sometimes it does, but it isn’t very common. If the symptoms you are having are also symptoms you would see in the syndrome, it would more likely be the cause. Are you late for your period yet?

  • Jenn Joy

    I am late as of Friday and I’ve been pretty regular every other month four five years. Im just a little concerned cause she wants me to take provera and you’re not suppose to if you’re pregnant because it can injure the baby

  • http://www.babyhopes.com/ Vickie B.

    The average cycle is every 28 days. I would trust what your doctor says in regards to this. But I would really discuss all your concerns, in depth, with your doctor before you start taking provera. If you feel that your doctor is disregarding your concerns, changing to a new doctor may be in order.

  • heather k

    My LMP started june 22-24.. my ex and I had intercourse on july 10th.. the very next day something felt “different” on the 12th I had a strange pinching sensation near my right ovary area. I have been feeling ill increased body temp and urination abd cramps clear vaginal fluid the past 2 day. Woke up this morning with extreme nausea that passed. Went to er and had a blood HCG of 0.9 which they said absolutely no chance I’m pregnant. But reading this article has me curious if they might be wrong? Wouldn’t it be early fo implantation? Plz help. I’m confused and feeling pregnant!

  • http://www.babyhopes.com/ Vickie B.

    Unfortunately, there is no way to know for certain unless you get an ultrasound and actually see a fetus. If you do get confirmation some how (blood test, urine hpt, or an ultrasound) be sure to come back and let us know.

  • http://www.babyhopes.com/ Vickie B.

    If you have a normal 28 day cycle, the ovulation calendar shows you would have ovulated on July 5th. The timing of intercourse would have been too late to result in a pregnancy.

  • Samantha

    So I was supposed to get my period on July 11th, it showed up 4days later on the 15th and was extremely light, barely anything on the tampons but it has become slightly heavier and today it is gone It is definitely not my normal period. Normally the first day I’m stuck in bed in a lot of pain or in the bathroom throwing up. I can fully function now and have little cramps. I had my doctor do a blood test but it came back negative. Was it to early to test or am I just not pregnant?

  • Sravani

    I was unmarried.i met with my boy friend on 15th june with condom and i took an i.pill too.still now i didnt get my period.i did my home pregnancy tests 6 times up to date i got only negative 6times and i went to a gyenococlogist she gave me a meprate tablet to get my period i completed my dosage i still didnt get my period and then she wrote blood pregnency test and it results negative…stil i didnt get my period…what to do now?

  • miss123

    my husband and I have been ttc and this month I was only 1 day late but the first day started with light brown spotting then I only had my period for 2 days(light) it always lasts 6-7 days. I took preg. tests-negative. Blood Work negative. If I calculated correctly we would have conceived between 7/4-7/6. Did I test to early for preg. tests and blood work?

  • miss123

    my husband and I have been ttc and this month I was only 1 day late but the first day started with light brown spotting then I only had my period for 2 days(light) it always lasts 6-7 days. I took preg. tests-negative. Blood Work negative. If I calculated correctly we would have conceived between 7/4-7/6. Did I test to early for preg. tests and blood work?

  • Volleyball_Chick

    Hello,
    I am pretty sure my last period was July 8th (or earlier) through July 13th. I have not yet had it – and I have not experienced any “spotting.” I had sex for the first time ever with my fiance of five years on July 27th – July 28th (depends on the time – like it was around 11PM… so not sure if that matters). I have not yet had my period in August and I am concerned that I am pregnant. My period is usually normal – like 28 days cycle. I hardly ever get it pushed back. However, when I was in college – I would get stressed from time-to-time and it would push back my period.

    QUESTION: Could I have got pregnant if I had sex that night? Not sure when I would have ovulated. I am not interested in having a baby now because I am currently planning my wedding. When are the most likely chances of you getting pregnant? Like, do you count the first day of your period or last day of your period? I don’t know! Also, could I just be super stressed because it was the first time I ever had sex?

    This is the longest I have skipped my period. It has almost been 40 days and I am freaking out. I did 3 HPT and they all came back negative. I did 2 on missed period day 5 (night) and one the following morning since I heard that is the time you are supposed to do it. Okay, well I did it around 3AM – so I hope that time is okay! After I did those tests, I still did not believe it because they could be defective. So I went to the doctors. On missed period day 7, I did a blood test – the next morning they called and informed me the test was negative. So okay, that is fine, but where is my period!!!

    QUESTION: Should I take a HPT on Sunday morning? I just want to know… :(

    Last week- I started to feel weird. Last Sunday (August 11th) I woke up with this killer charley horse. Now, I do get them from time-to-time, so its not like unusual. This whole week has been strange. I hardly got ANY sleep because I was not tired at all. I hardly had anything to eat because I was not hungry at all. I felt like I was going to throw up most of the time so it was very random. Sunday and Monday night I had killer night sweats. I couldn’t sleep at all – I was soaking wearing NO clothes. However, I have not had that problem at all since Monday night. For this whole week – I had trouble going number 2 for the bathroom if you know what I mean. Just last night, I finally went number 2 and it was kinda like diarrhea.

    Recently, I have changed my workout schedule. In July, I started this new routine. This month, I picked up and started to improve my schedule from July because I missed a few days. Since August, I have been to the gym 9 out of 17 days. Usually, I lift weights so I am not sure if that could have messed up my period schedule? I also started to drink protein shakes back in July – so not sure if that could have done something to my body… idk! Or could I have too much protein in my blood that could have caused incorrect blood tests?

    I think I have been feeling better – but it could all be in my mind.

    Thanks!

  • http://www.babyhopes.com/ Vickie B.

    Our ovulation calendar shows the following for July, based on the information you provided:

    Monday 8th July 2013 – First day of your cycle
    Thursday 18th July 2013 – A little bit fertile
    Friday 19th July 2013 – Fertile
    Saturday 20th July 2013 – VERY fertile
    Sunday 21st July 2013 – Time to ovulate

    Based on your timing, you would have had sex after you ovulated making getting pregnant not possible.

    You have taken the tests, had a blood test and they all came back negative. I would trust the results and assume you are not pregnant.

    You have a couple of things that could cause your cycle to go wacky.

    – Changing your exercise intensity
    – Changing diet
    – Change in stress level.

    If you are really concerned, you may want to ask your doctor about it, but if you give your body a chance to get used to the changes you have made, you may notice regularity returning.

  • Cortneytucker57

    I am 14 days late, went to the dr. When I was 12 days late and they did a pee test which came back positive I got a call on the 14th day of my missed period saying that my blood test levels were too low saying I was not pregnant. Is there still a chance that I am pregnant?

  • http://www.babyhopes.com/ Vickie B.

    Until you get a period, there is still a chance. If you don’t get your period in a week or so, I would suggest that you get the doctor to do another blood test to see if the levels are raising at all.

  • confused

    My last period was on june 21. I did have light spotting when I whiped only near the time I should have had my period. I have taken hpt they all say negative yet stilll no period I have all the symtoms exept morning sickness. I just turned 47 could I be pregnant or is it menopause?

  • BGrundlingh

    My last period was started on the 16th Of July, I am now 3 weeks late, my breast are very tender, especially around my nipples but all the home tests have come back negative. Can I be pregnant?

  • Christa Marie

    Hi im feeling pregnacy systoms but i took two prego test both came negative can i be pregnant

  • Kaylie

    I am currently 3 weeks late on my period. My last period started on July 17. I have had unprotected sex and I have done 4 pregnancy tests up to this date. I had one done at the hospital at 10 days late it was a piss test and it came back negative a week later I took 1 more home pregnancy piss test and it showed negative a couple days later I did the same and still negative. On the third of September I went to the doctors and took a blood test that came back negative. Is it possible that I could be pregnant and it was just to early to tell?

  • becky

    Hi I’m a mom to 3 and after my third child i had my tubes tied 5 1/2 yrs ago and always been on time since then until now my last period was July 28 I’ve been having the same symptoms I did with my 3pregnancies but had a bata hcg blood test done came back neg should i be worried or just wait

  • laura

    I am almost certain i had a miscarriage on Saturday but when i had my bloods checked at the hospital it came back negative? But there was a fetus that i seen but i dint take it to the doctor i was to scared so i cnt prove what it was, is there anything else it could be? I had all the symptoms of miscarriage and missed 2peiods so in almost certain? Thanks

  • Kara

    Vicki,

    Okay so here is my situation. A little over a year ago I miscarried. September came around and I was four days late but I had been getting a lot of comments before I had started that I looked like I was getting a “pouch”. (Like I was pregnant). My boyfriend was concerned because he said I had been acting just like I did when I was pregnant a year ago and ended up miscarrying. So on the 3rd day that I was late I went and had a blood test done to see if I was pregnant. It came back negative. About a week and half later I ended up getting a bad sinus infection. Well during this infection I started to obtain sharp abdominal pains off and on. I went to the doctor who put me on sudafed. It has been a week since I got sick and now I have random symptoms that I am unsure of what they pertain to. (either the infection or me being pregnant) For a week now I get sick every morning when I wake up. I still have a bad cough but I also have symptoms of nausea and dizziness throughout the day. Especially when I get up and be really active, I will get hot flashes and then get nauseous and dizzy. Do you think I could be pregnant?

  • Amber

    I’m 11days late, which is so not usual. I’ve never been this late before. I took a urine test 4days ago and it was negative. I don’t have any other normal pregnancy symptoms but I can’t understand why all of a sudden. Plus I haven’t had intercourse in 3months. I was in the emergency room for severe dizziness about 2months ago. They said they ran a blood test to confirm i was not pregnant before doing a ct scan and said it was negative. Would a urine and blood test give a false negative in that amount of time from conception?

  • http://www.babyhopes.com/ Vickie B.

    Most likely not, but if you are worried, you should go to your doctor and ask for a ultrasound. If you are pregnant, the baby would most definitely show up on an ultrasound now.

  • ADE

    I had last menstrual period on the price25th, of Sept,my husband told me to get a pregnancy test because am having all the signs and symptoms. The blood tests are all positive, started sporting today ( 19th).the scan did not show anything. Am i pregnant

  • http://www.babyhopes.com/ Vickie B.

    What do your doctors say? If the blood test showed a positive result, you are pregnant. Spotting during early pregnancy is not uncommon but if you are worried, you will want to talk with your doctor about it.

  • Angel

    Hi Vicki,

    I took four pergnancy test and I saw faint lines on sone of them for a positive result. I went to the doctors and i came up negative on two pee test and one blood test. But I can’t believe it I’ve been getting really randon migraines, im starting to feel nausea and I’m getting back pain like i never have before. It hurts near my tailbone my butt and to my thighs. Would you suggest me to wait out a couple weeks. Because if I am pregnant i think i should be about 3 weeks now. I don’t know i have this gut feeling i am because i know my body very well and I’ve never had back pain or headaches like this before.

  • Britanny Bowers

    I haven’t had a period since August. 2013 blood test show neg for pregnancy. Which doesn’t surprise me. If I were I would have to be around 8 weeks and I seriously doubt the test could be wrong. What else can stop a period from coming for two months?

  • http://www.babyhopes.com/ Vickie B.

    Have you seen a doctor about this? Stress, PCOS, other medical issues, weight loss / gain, increase in exercise can all cause a change in your cycle.

  • http://www.babyhopes.com/ Vickie B.

    Has your period arrived yet? If not, has you gotten any positive results on your pregnancy tests?

  • Jen

    I’m late, taken four hpt’s and just had a blood test—all negative. I’ve had headaches, nausea, lower back pain, white discharge, lower pelvis cramping, slight breast tenderness. I’ve been pregnant three times before (1 miscarriage, two healthy children) so I know the symptoms. My last period was October 13-18, 2013. I’m so confused and stressed about this. I feel like I’m going crazy! Anyone going through a similar situation? Please help!

  • marian cruz

    same thing here, im nauseaus, my lower back hurts, my last period was sept 26 all negative results but no period. i need help figuring this out

  • Tara

    I was three days late, positive pregnancy test at first…back pain, headaches, nausea, fatigue and pelvic pain…symptoms I never have before my period…tenderness I breasts was the only typical thing. Few days later started spottin an then bleeding. Took another hpt and it was negative and a blood test..also negative. Weirdest thing. I still can’t explain it

  • http://www.babyhopes.com/ Vickie B.

    Unfortunately, it sounds like you had a miscarriage.

  • worried

    I have the essure birth control. I am 1 week late if not longer. I have heard of women getting. Pregnant on this. I had light bleeding one day almost like diluted red water. For like 5 minutes. I have had nausea and all the symptoms cramping but no period. I tested on the 16 and it was negative. Did I test too early? My last period was in December last day was about the 14th could I be pregnant?

  • mzzbarker

    I had my last period Jan 24th, Feb 7th I took a hot and it was faintly positive…I bought 3 more of different brands and they were all positive. I went to the doctor a and he did a blood test which was also positive. Yesterday (2/22) I began to spot. Today (2/23) I bleed every time I void (pee) as if i’m having a period. I bought a hpt today (2/23) and the result was negative…am i pregnant or not? Should I call my doctor?

  • Brooklynn

    I am going through the same exact thing. My pregnancy test said positive today at the obgyn. I am 4 days late and waiting for my blood work results Monday. I started spotting when I left. This bass happened to me before. The doctor gave me a pee test about 5 years ago, it said positive and blood work came back with hormones at zero saying I’m not pregnant. I hope it isn’t happening again. I am now worried until Monday. Why would a teT say positive and blood work say negative? Weird is right!

  • Kristie Meleen

    2 positive confirm hpt then negative <2 blood test, last p beginning February had sex 17th n 18th unprotected?
    HELP last week I done 2 hpt one faint both visible positive bloods done 3 days later <2 negative, period late by 9 days all symptoms no bleeding at all n slight yellow discharge is the hpt wrong or the blood I'm trying to get another blood done but Dr thinks I'm a nutcase used a friends paperwork for another test today just waiting for results, what would make a test a false positive, has anyone experienced this before l had ectopic 4 yes ago

  • Sandy

    Endometreosis can make ur period 2months late along with pcos have ur dr to check u for that I have gone threw this at 22 and I’m 27 now and it
    seems like I’m going threw it again and this can give you the same symptoms of being pregnant

  • Suzanne

    BLOOD PREGNANCY TESTS CAN BE WRONG!! It is VERY possible to be pregnant with negative urine and blood tests! This is what is known as a “Cryptic Pregnancy”. I have created a support group for this on Facebook called “Cryptic Pregnancy Support Group”

  • SARAH

    I have a baby bump and just spotted, however, all my tests were neg from blood and urine. What could be happening. The doc dont want to do anymore testing to rule out other things. What do I do?

  • H

    Hello,
    I am a few days late. I have all the symptoms and I got 2 positive pregnancy tests the other day but when I went to my doctor’s office yesterday they ran a pregnancy serum blood test and it was negative. When I had my daughter they did both quantitaive and qualitative because they wanted to know the numbers of my hcg level. they did not do this this time. could I still be pregnant?

  • kerry

    I was due on my period 20/4/14 I was being sick at the same time every day, really tierd and emotional, never came on so I went to the doctor. they did a blood test for pregnancy on the 13th may and it came back negative. I still felt like I had morning sickness, bit faint at times and tierd so 23/5/14 I did a hpt and it was positive. could the doctors blood test be wrong?

  • OLA

    I av been TTC for 9yrs with so much done. Recently I av started feeling all d symptoms of pregnancy and I opted for blood test which came out negative. My last period was 21st April 2014 and yet to see it. My average cycle is 26 cos it’s sometimes 27 or 28. Pls what do I do next. I am so confused.

  • Crystal

    hi name is crystal on May 17th 2014 I was supposed to start my cycle last time I had a cycle was in April but in May I started antibiotics so I may 17th my Cycle never started I didn’t notice until that Sunday when I started my new birth control I had taking home test they came back negative and a blood one that said negative there in a middle of doing another blood test cause they think the other one was to soon I know the symptoms I’m having I’ve had to Cycle for 10 years now I have never had a problem On or Off birth control I know my body and something ain’t right I have a daughter the symptoms I’m having are the same I need some help

  • kkiernan

    My lamp was April 3 2014 I had my Korean removed may 16.. on May 31 I got 2 positive results with home pregnancy tests. I ended up in the er on May 10 because of a sharp pain I was having in my ovary. Long story short doc tells me my blood work was negative for pregnancy. I have taken 2 more hpt with negative results. I have when my last actual period was or when I could have been ovulating. I’m basically going by when my iud was removed. I have 4 children and was hoping for a 5 th. Any feedback……oh and still no period.

  • Kat

    My periods are irregular, I never know when they are gonna happen, how long they will be, or how heavy they will be. I was having unprotected sex and when my period was 4 days late( which isn’t unusual) I took a pregnancy test and it came back negative. I took another pregnancy test when I was a week late because I didn’t have any normal menstrual symptoms but I had tender breasts which isn’t normal for me, it too came back negative. I also started what I thought was my period that same day I took the second pregnancy test. My period was extremely heavy and lasted for 7 days. After it ended I started having unprotected sex again and 7 days after my period ended(today) I took a pregnancy test, it came back positive. I took a second one and it was also positive. I went to the hospital and had a blood test done and it came back negative.. When I got home I took a 3rd pregnancy test and it came back positive. Could I still be pregnant? Is it possible that I had a miscarriage? I plan on taking more home pregnancy tests in about a week.. I used first response home pregnancy tests.

  • http://www.babyhopes.com/ Vickie B.

    If you keep taking pregnancy tests and they come back positive, you have the pregnancy hormone in your urine. It could be that the level of hcg is lower than what the blood test picks up. First Response is one of the most sensitive pregnancy tests. If you wait a couple of days and have a blood test, again it should pick up the pregnancy. It could also be an early miscarriage, in which case you will eventually end up with a negative pregnancy test.

  • sharon

    I had my tubes tied in 1999 I had to go thru 2 different laproscopic surgerys in the last 4 months and have been doing nothing but throwing everything up since these surgerys so they did a pregnancy test it came back positive I told them they were crazy so they did the dip stick it came back neg symptoms continue so my general dr did some labs on me my hcg came back showing pregnant so she ordered more labs with blood and urine blood came back at 5 which usally means your pregnant so they told me I need to go see obgyn I am so stressed over this right now going for ultrasound on Wednesday hope it will tell the truth.

  • lucy

    Hi I thought I was about 7 weeks pregnant since I still haven’t gotten my period since may 20th I had some spotting the other day and went to the doctors and my blood test came back negitive but I have had 10 home pregnantcy come back positive. Could the blood test be wrong?

  • Carrie

    Hi my name is carigan and im in that same boat I have every symptom of pregnancy but everything is negative and I even feel flutters in my stomach from time to time so im not understanding!!! Help??!!

  • Emily Rose Shelley

    That happened to me too, did you ever find out what the situation was?

  • Nekea Dishon

    my last period was june 2nd i took a home test the 8th of july and it was positive went to the doctors and had a blood test the 11th it came back negative went home and took a clearblue pregnancy test which came back positive i still havent started and im so confused

  • http://www.babyhopes.com/ Vickie B.

    What does your doctor say about that? It would appear that you are suffering from a miscarriage or the blood test is incorrect. If you wait 3 or 4 days and you don’t start your period and a hpt comes back positive yet again, you should definitely contact your doctor again and ask them what is going on.

  • gracejames??

    Have you found out whats happening yet?? I was due for my period on the 24th june and it never came, i had 4 early home preg test come back negative and one blood test come back neg (all in july) then 21 days after missing my cycle i got a positive blood and positive home test.. but now im paranoid there is another reason they were positive and its not due to pregnancy… i am by calculators 7weeks and 5 days…

  • chaparita 17

    Hello, June 15 I started workout, June 18 I started to bleed a little bit it didn’t look like if it was my menstruation, so I decided to go for a blood test and the test said it was negative. July and no period yet, July 21 I went for a next blood test and showed negative again, can some tell me if I can still be pregnant if two blood test came out negative?? Plz help

  • GARYMAX

    ladies this is my experience of doctors but before i go on remember that every woman is different. i was having all the symptoms of pregnancy tender breast, morning sickness, back pain and tummy aches, i have my period every month 26 days cycle never miss my last bleeding was so heavy lasted 4 days i had to use 4 pads per day so i did’nt consider it as implantation bleeding. however the symptoms i was having lead me to do 4 test using first responds all say neg. still was not convince went to the hospital did blood works it also come back neg. i went home still having back pain and all i then went to a different hospital did a pee and a blood test but that those too say neg. the doc. told me its just hormones i was not convinces but what else could i do my husband says to me while in bed that same night lets go do a ultra sound so the next day we went did a ulra sound and behold a very strong heartbeat with a fetus at 23 wks i was so happy i was laughing and crying at the same time. i ask for a pic.of my baby girl yes a girl. im now 26 wks pregnant and both me and my baby are doing great some of these doctors leave school too early. and dont have a clue of what there are doing. i went back to the first doc. and told her i even showed he my baby pic. she say she dont understand y my blood came back neg. so ladies listen to your bodies and pray to God only he knows whats going on its all ways good to get scound opinion i got 3 lol so just put your faith in God hope this give u some hopes but as i said every woman is different

  • mary

    Carrie im having the same issue as you are.. im so confused… did you ever get an answer
    Thks … mary

  • Louis

    Hey guys, there is a condition called pseudocyesis that may explain what is happening. Sometimes all of the symptoms of pregnancy occur without an actual pregnancy. Hang in there, and trust that God has a plan for you.

  • Davisam86

    Did you ever figure out what was going on? I have had my tubes tied. I have had two miscarriages since. I have negative test but I still feel pregnant. Multiples run in my family. I am almost thirty. I heard of something called the hook effect that can show negative blood test. I just feel confused.

  • sonia

    I’ve had 4 negative urine pregnancy tests and 1 negative blood test….
    I feel exactly how I did when I was pregnant with my son… Nausea, tiredness, getting up in the night to pee, irritable etc..
    Just want to know what’s going on!!!!!!
    Doctor is booking me in for a scan but there seems no urgency even though I have a coil fitted!!

  • http://www.babyhopes.com/ Vickie B.

    Maybe you need to get on the doctor to get the scan quicker. If you make some noise, they will do what they have to in order to get you to stop bothering them. :)

  • Jett

    I am having a rough time lately… for my entire time of having a menstrual cycle, my period always lasts 4 to 6 days a month however, since the month of July my periods have been lasting 2 days 3 at the absolute most. My breasts are tender and lactating, I’m nauseous fatigued and dizzy every single day and my back is killing me. I’ve also been feeling the little popcorns in my belly for about 3 weeks now and just yesterday they started feeling stronger like baby kicks. I have a 2 yr old son and I trust myself I feel like I know my body well enough to know when I’m pregnant. I’ve had 2 blood tests and maybe 6 urine tests all negative. No doctor will provide me with an ultrasound and I know I’m not crazy. Help please !!!!!

  • http://www.babyhopes.com/ Vickie B.

    Unfortunately, if you can’t find a doctor that will do an ultrasound, you will have to wait and see. You might want to go to your general doctor and have them do blood tests to make sure everything else is okay.

  • hozban

    i see your post was from 3 months ago, did you end up being pregnant?
    I have missed my period for two weeks and had a blood test done yesterday which came back negative and all home tests were negative too, i was so hoping the blood test comes back positive, I would appreciate your response.

  • hozban

    I’m in the same situation, were you pregnant? I would appreciate your response.

  • gracejames??

    I am! still hard to believe after so much negative at the start, i seem to have ovulated later then i should of which has thrown off my dates, but i am now 17 weeks

  • hozban

    That’s wonderful! Congrats and thank you so much for responding to my questions. I will give it another week and test again, hopefully mine is the same…

  • Heather

    Im only 17 and lately I have been very sick and getting heart burn from now and then i feel like i can feel little movements in my stomach in some places it’ll be hard and others it won’t be my last period was in July its now October but everything is coming back negative. I just recently started feeling the movements in my stomach I am always tired and very nauseous Ive taken multiple home tests all negative and 2 blood tests negative…. Can someone help me on this??

  • http://www.babyhopes.com/ Vickie B.

    You will need to visit your doctor and see if you can get him to give you an ultrasound? If they will now, ask them to determine why your period is not there anymore.


Last modified: February 10, 2013

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