Lecture 9 - Reproductive Cycles in the Female

The lecture begins with a description of different types of estrous cycles.  It then uses the cow as a model to examine hormonal and ovarian changes that occur during the estrous cycle.  As a contrasting types of cycles, the canine and feline are then examined with endocrine changes that occur in each.  A discussion then commences on the causes of anestrus in the livestock species. Lastly we move to a description of the human menstrual cycle including endocrine, ovarian and uterine changes that occur.