A combination of a prostaglandin and an antagonist of this hormone's receptor, (*) mifepristone, is used as emergency contraception.
A family of receptors for this compound also contains members that bind to adiponectin and are called PAQRs. Ulipristal acetate is a selective inhibitor of this compound's receptors. This compound is converted to deoxycorticosterone by 21-alpha-hydroxylase and is synthesized by 3beta-HSD after side-chain cleavage of cholesterol. Devices called Skyla, Liletta, and Mirena elute an analog of this compound called levonorgestrel. A combination of a prostaglandin and an antagonist of this hormone's receptor, (*) mifepristone, is used as emergency contraception. This hormone induces the formation of secretory endometrium after it is secreted by the corpus luteum post-ovulation. For 10 points, name this hormone found in combined oral contraceptive pills along with estrogen.
A family of receptors for this compound also contains members that bind to adiponectin and are called PAQRs.
progesterone [or progestins]