Can You Still Have Your Period If You're Pregnant? - Obstetrics and Gynecology

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Ask a very silly question..?


Doctor, if someone is pregnant, is it still possible to have a menstrual cycle? Or does pregnancy mean that menstruation will definitely not occur? Thank you for your answer!

Xiao Yi, 10~19 year old female. Ask Date: 2002/08/13

Dr. Zhan Deqin reply Obstetrics and Gynecology


If there is a pregnancy, there should be no menstrual cycle.
If there is bleeding during pregnancy, it is not a menstrual cycle but rather abnormal bleeding, and it should be considered whether a miscarriage is occurring.

Reply Date: 2002/08/13

More Info


When it comes to pregnancy and menstruation, it's important to understand the physiological changes that occur in a woman's body once conception takes place. Generally, if a woman is pregnant, she will not have her menstrual period. This is because the hormonal changes that occur after fertilization prevent the shedding of the uterine lining, which is what happens during a menstrual cycle.

To elaborate, during a typical menstrual cycle, the body prepares for a potential pregnancy by thickening the uterine lining. If fertilization does not occur, hormone levels drop, leading to the shedding of this lining, which is what we recognize as menstruation. However, when a woman becomes pregnant, the fertilized egg implants itself into the uterine lining, and the body begins to produce human chorionic gonadotropin (hCG), a hormone that signals the ovaries to stop releasing eggs and prevents the menstrual cycle from continuing.

That said, some women may experience light bleeding or spotting during early pregnancy, which can sometimes be mistaken for a period. This is often referred to as "implantation bleeding," which occurs when the fertilized egg attaches to the uterine lining. This type of bleeding is usually much lighter than a normal period and may last for a few hours to a couple of days.

It's also worth noting that some women may experience irregular bleeding during pregnancy due to various reasons, such as hormonal fluctuations or other underlying conditions. However, any bleeding during pregnancy should be discussed with a healthcare provider, as it could indicate a potential issue that needs to be addressed.

In summary, while a true menstrual period does not occur during pregnancy, some women may experience light bleeding or spotting. If you suspect you are pregnant and experience any unusual bleeding, it is advisable to consult with a healthcare professional for further evaluation and guidance.
If you have further questions or concerns about your menstrual cycle, pregnancy, or any related issues, don't hesitate to reach out to a healthcare provider. They can provide personalized advice based on your specific situation and medical history.

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