Implantation Bleeding After Conception - When Does It Happen?

Implantation Bleeding After Conception - When Does It Happen?


If you are trying to conceive, you are dying to see that positive pregnancy test! One of the first signs of pregnancy that you can look for is implantation bleeding.

What Happens Before Implantation

Before you notice implantation bleeding, several things need to occur in your body. 

- Ovulation

Ovulation usually occurs once a month. Your ovary releases the egg into your fallopian tubes about 14 days before your period is due. Once released, your egg survives 12 to 24 hours. If not fertilized in that time, your egg will start to disintegrate.

- Conception

If you have sex before ovulation or the day of ovulation, lucky sperm might be waiting to fertilize the egg. Healthy sperm can survive up to 5 days in the woman's reproductive tract. Optimally, having sex as close to ovulation as possible increases your chance of getting pregnant.


Implantation of the Fertilized Egg

Once conception has occurred, the fertilized egg will travel to the uterus. As the egg is moving, the cells will continue to divide and grow in size. When the egg arrives at the uterus, it will attach to the uterine wall (implantation). It starts to produce the hormone that pregnancy tests detect, hCG, after implanting. The time required for the egg to travel to the uterus and implant is usually between 7 and 10 days.

What is Implantation Bleeding?

When the egg implants, some women experience implantation bleeding. You may notice a small amount of blood when you wipe, after using the bathroom. The blood is typically a light pink or brownish tinted color. The amount is much less than when your period starts. When the egg implants in your uterus, it develops a layer of cells called the trophoblast. The trophoblast provides nutrients to the growing egg by burrowing into the uterine wall. When this happens, a small amount of blood can leak into the uterine cavity, causing implantation bleeding. Implantation bleeding does not occur with every woman. Usually, only about 30% of women will experience implantation bleeding. You will often see implantation bleeding 3 to 6 days before your period is due if you are one of the 30%.

If It Was Implantation Bleeding When Will a Pregnancy Test Be Positive?

If you are reading this, you are trying to convince yourself that you are experiencing implantation bleeding. As much as you would like a definite “YES! You are pregnant!”, the only way to be sure is seeing the positive pregnancy test result.

Luckily, you don’t have wait too long for accurate results from a pregnancy test. If you experienced bleeding at six days past ovulation (DPO), you might get a positive in about four days which is typically a bit before your period is due.

If implantation happened closer to 12 DPO, you might have to wait until you miss your period to take a test. You will have to wait at least 2 to 3 days to take a test. It takes that long for the hCG level to be high enough to show a positive result on a sensitive home pregnancy test.

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