25% to up to 50% of all pregnancies experience some type of "bleeding" during the entire pregnancy.  First trimester bleeding tends to be the most common and does not necessarily mean there is a problem with the pregnancy.  There are many reasons why someone may experience bleeding during a pregnancy - cervical trauma from a pap smear or intercourse, implantation bleeding a few days to weeks after fetal implantation into the lining of the uterus, loss of a twin early on in pregnancy but the remaining twin survives, etc.  All bleeding, however, should be discussed with your physician so appropriate follow up can be scheduled.

Answered by Dr. Marra Francis

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