What hormone normally produced in the corpus luteum that inhibits development of ovarian follicles is a common component of oral contraceptives?

A.	testosterone
B.	follicle-stimulating hormone (FSH)
C.	lutenizing hormone (LH)
D.	prolactin
E.	progesterone Progesterone is a signal to the uterus for maintenance of the endrometrial lining of the uterus in anticipation of implantation of an embryo.