implantation, implantation bleeding, implantation cramping, implantation spotting, implantation symptoms, implantation signs

What is implantation bleeding?

Implantation bleeding or spotting occurs shortly after the implantation of the fertilized egg (the blastocyst) into the lining of the uterus. Implantation and any associated bleeding usually happen on average 9 days after fertilization and ovulation, but it can happen anywhere from 6-12 days after ovulation.

How does the implantation bleeding test work?

There are many different signs and symptoms of implantation including bleeding that may predict whether implantation has taken place. Take this quiz to find out whether your bleeding or spotting could be due to implantation.