The consistency of vaginal discharge and cervical mucus changes throughout the menstrual cycle and during pregnancy. Often, people look for physical signs, including changes in vaginal discharge and cervical mucus, as a signal of early pregnancy or as a way to know if the timing is ideal to try to conceive. Show
It can be difficult to distinguish between the vaginal discharge that occurs before a period and the vaginal discharge that accompanies early pregnancy. However, if you start monitoring how your vaginal discharge changes during your menstrual cycle, you may be able to learn to detect the difference between your cervical mucus before a period, just before ovulation, and that of early pregnancy. These physical signs of ovulation and early pregnancy are generally subtle, and therefore they should not be taken as indicators of fertility or pregnancy in the early weeks after conception. A pregnancy test is a more reliable confirmation of pregnancy. If you are pregnant, however, you can expect to experience vaginal discharge throughout your pregnancy. Vaginal Discharge and Cervical MucusIt is normal for your body to discharge fluids throughout the menstrual cycle, and cervical mucus is one component of this vaginal discharge. Despite its name, cervical mucus isn't actually produced by the cervix, but rather by glands located near the cervix. Cervical mucus plays an important role in your reproductive system. In the non-fertile stages of the menstrual cycle, it becomes thick and sticky to prevent infection. When you're about to ovulate, it becomes more watery, thin, slippery, stretchy, and abundant, which allows sperm to more easily swim and survive. You may notice an increase in vaginal discharge right before your period. This change is caused by increased blood flow, changing estrogen levels, and the cervix preparing for menstruation. Monitoring your vaginal discharge (in particular, your cervical mucus) can also help you identify your most fertile time or "fertile window." Vaginal Discharge Changes During PregnancyJust as vaginal discharge changes throughout the menstrual cycle, it also changes during pregnancy. It is usually thin, milky-white, or colorless, and with a mild odor (or no odor). Increasing vaginal discharge is one of the earliest signs of pregnancy. This discharge is referred to as leukorrhea. The term frequently refers to vaginal discharge during pregnancy, but leukorrhea is also present in non-pregnant people. During pregnancy, leukorrhea production increases due to increased estrogen and blood flow to the vaginal area. However, this increase doesn't typically become noticeable until the eighth week—after other, more definitive signs of early pregnancy, such as a missed period. In your first trimester of pregnancy, vaginal discharge increases in an effort to remove dead cells and bacteria from the uterus and vagina to help prevent infections. The amount of vaginal discharge you experience will increase gradually as your pregnancy progresses. As long as it remains generally colorless and odorless, it is normal and not cause for concern. Over time, this discharge also helps form the mucus plug. This plug blocks the opening of your cervix to prevent an infection from entering the uterus and harming the baby. Brown or Pink Vaginal Discharge During PregnancyBrown or pinkish vaginal discharge may also occur during pregnancy. This could appear as light streaks or spots of color on your underwear or the toilet paper when you wipe. If it seems like very light bleeding, it could be spotting. Usually, this brown- or pink-tinged discharged does not indicate a problem. Common causes may include:
When to Call Your DoctorSome changes in vaginal discharge during pregnancy can be signs of infection that need to be treated promptly. Check in with your healthcare provider if you notice redness, itching, or swelling in the vulva, or changes in discharge including:
If the discharge is very watery and seems excessive, it could be amniotic fluid (or even urine). Since leaking amniotic fluid could be a sign of preterm labor, it's important to call your doctor and have this checked out. Bleeding (as opposed to light spotting or pink-tinged discharge) in pregnancy is not normal. Always call your doctor right away if you have any vaginal bleeding. A Word From VerywellWhile it can be uncomfortable or annoying, increased vaginal discharge is an early sign of pregnancy that continues throughout pregnancy. Try wearing breathable underwear, change them often, and/or use unscented panty liners (never tampons) to help manage the increase. If you have any questions or concerns, or experience bleeding or a change in the amount, consistency, color, or odor of discharge, it's important to call your doctor. Verywell Family uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
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Rachel Gurevich, RN Thanks for your feedback! Does watery discharge mean I'm pregnant?In addition, as the pregnancy progresses, women may notice that they may have excessive vaginal discharge, and they may confuse it for urine. However, having a watery discharge doesn't mean that you're pregnant. Other factors can lead to watery or clear discharge.
What does early pregnancy discharge look like before missed period?Early pregnancy discharge
But most pregnant women will secrete sticky, white, or pale-yellow mucus early on in the first trimester and throughout their pregnancy. Increased hormones and vaginal blood flow cause the discharge. It increases during pregnancy to prevent infections as your cervix and vaginal walls soften.
Is it normal for discharge to be watery before period?It's caused by hormonal changes. If the discharge is watery, it's most likely normal and not a sign of infection. Clear and watery discharge can increase at any point during your cycle. Estrogen can stimulate the production of more fluids.
Is early pregnancy discharge watery and clear?Healthy vaginal discharge during pregnancy is called leukorrhea. It is similar to everyday discharge, meaning that it is thin, clear or milky white, and smells only mildly or not at all. However, pregnancy can cause the amount of discharge to increase.
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