Implantation bleeding — typically defined as a small amount of light spotting or bleeding that occurs about 10 to 14 days after conception — is normal. Implantation bleeding is thought to happen when the fertilized egg attaches to the lining of the uterus.

Can an implantation bleeding be like a period?

A: The amount of bleeding at implantation can vary between women. Some women may not experience any bleeding with implantation, while other women may have bleeding that compares to a light period and lasts two or three days.

How do I know if this is implantation bleeding?

There are other differences that can help you determine whether you are experiencing implantation bleeding or your period: implantation bleeding is most likely to be light pink or brown (as opposed to the bright or dark red of your period) implantation bleeding is more like spotting than an actual flow of blood.