What is implantation bleeding?

Implantation bleeding or spotting happens 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 can happen between 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 happened. Take this quiz to find out whether your bleeding or spotting could be due to implantation.