When Does Menstruation Stop During Pregnancy? - Obstetrics and Gynecology

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During pregnancy, menstruation typically stops as a result of hormonal changes in the body. When a woman becomes pregnant, the body begins to produce human chorionic gonadotropin (hCG), which signals the ovaries to stop releasing eggs and prevents the menstrual cycle from continuing. This hormonal shift usually leads to the cessation of menstruation shortly after conception.

Most women will notice that their periods stop around the time they miss their next expected menstrual cycle, which is usually about four to six weeks after conception. However, some women may experience light bleeding or spotting in the early stages of pregnancy, often referred to as implantation bleeding. This occurs when the fertilized egg attaches to the lining of the uterus and can sometimes be mistaken for a light period.

It's important to note that while menstruation stops during pregnancy, some women may experience other forms of vaginal bleeding. This can be due to various reasons, including hormonal changes, cervical irritation, or, in some cases, complications such as miscarriage or ectopic pregnancy. If a pregnant woman experiences significant bleeding, it is crucial to seek medical attention to rule out any potential issues.

In summary, menstruation typically stops within a few weeks after conception, coinciding with the hormonal changes that support pregnancy. If you suspect you are pregnant and have concerns about bleeding or other symptoms, it is advisable to consult with a healthcare provider for personalized guidance and care.