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Does Your Cervical Mucus Change with Pregnancy?

Becoming pregnant does cause changes in your cervical mucus.  To understand the changes that take place in your cervical mucus with pregnancy, it is important to understand what cervical mucus is and what cervical mucus does.  Cervical Mucus refers to a jelly-ish substance produced by a woman’s body during her monthly cycle.  Cervical mucus resembles the white of an egg.  Cervical mucus is an important part of conceiving.  Cervical mucus helps the sperm to survive once inside a woman’s body, and helps the sperm get to the egg so that the egg can be fertilized.

To understand the role of cervical mucus in conception, it is important to understand how cervical mucus changes during a woman’s cycle.  After menstruating, there will be no cervical mucus present for between 3 and 5 days.  After this, there will be a small amount, and it will range in color from white to a cloudy clear, and it will be rather sticky.  When you get nearer to ovulation, cervical mucus increases.  It will become moist and sticky, about the consistency of hand lotions.  At this point, the color will be white or cream-colored.  When you are ovulating, you will have the most cervical mucus.  The cervical mucus should be about the same texture and have a similar appearance to an egg white; at this stage, it is often referred to as “egg-white cervical mucus.”  After ovulation, cervical mucus will decrease and become less slippery.

During early pregnancy, there is an increased production of hormones, particularly estrogen, that can lead to vaginal discharge, a part of which will be cervical mucus.  In addition to the increased production of estrogen, there is increased flow of blood to the vaginal area during pregnancy.  These factors can cause a variety of secretions, both from your cervix and from your vagina itself, that lead to vaginal discharge.

Later on in pregnancy, you will probably again notice an increased vaginal discharge.  This vaginal discharge will probably be somewhat different from the vaginal discharge that is common in early pregnancy.  This vaginal discharge can consist of cervical mucus that escapes from your mucus plug as your cervix begins to thin out and to dilate.  This discharge can look like an egg white, just as it does when you are ovulating.  In some instances, the entire plug may come out as one big glob that is somewhat gelatinous in form.  Often, when you lose your mucus plug, it will also be tinged with blood.  If your discharge is watery or bloody prior to your 37th week of pregnancy, it is possible that you are leaking amniotic fluid.  If this is the case, you should contact your health care provider immediately.

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Last modified: February 10, 2013

The information provided here should not be considered medical advice. It is based on the average experience of women trying to conceive and may not be what you may be experiencing. It's not meant to be a replacement for any advice you may receive from your doctor. If you have any concerns about your cycle or our ability to get pregnant, we advise you to contact your doctor.