A mare's pregnancy might not seem that complicated on the surface, but her relationship with the embryo and its adjacent parts--in total, the conceptus--is remarkably complex. In order to prevent early embryonic loss, the conceptus must interrupt her estrous cycle, signaling her uterus to create a receptive environment for attachment and growth.
To continue reading this article, become a member of TheHorse.com.
It's FREE and you'll get full access to more than 20,000 articles, video, free reports & more.











