ZocdocAnswersDoes a light period mean I'm pregnant?

Question

Does a light period mean I'm pregnant?

Will an over the counter pregnancy test tell me for sure?

Answer

When a women becomes pregnant, the newly developing embryo will implant into the uterine lining and begin developing a placenta. When this happens, the embryo begins making a hormone called beta HCG. This hormone acts to keep the uterine lining from shedding and prevents a period from happening. Thus, you should have no period in the time after and while you are pregnant. However, sometimes when the embryo implants into the uterine wall, it causes a little bit of bleeding which can look a lot like a light period. This is what causes some women to not realize they are pregnant until they are 2 months in. Over the counter pregnancy tests are very sensitive. If used properly, they will tell you whether or not you are pregnant. They must be taken at least 1 week or 2 after intercourse, which is about the time when you would be missing your period. If you decide to take a pregnancy test and it comes back positive, then you should schedule an appointment with your OBGYN. If you don't take the test, then you should schedule one anyway so that you can have an in office test. If you are pregnant, then the two of you can talk about prenatal care and what you should do to have a healthy pregnancy. Good luck.

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