MOOC Advertisement

Learn More:
Get An Introduction to Reproduction

Learn more about the the science of reproduction. Dr. Teresa Woodruff, creator of Repropedia, is offering a free online course exploring the world of reproduction.

Get Started!

implantation

Implantation refers to the process that occurs when a blastocyst attaches to the uterine wall. The optimal implantation site is at the top of the uterus, in humans. If implantation occurs outside of the uterus, it is called an ectopic pregnancy and is not usually viable.