Gonadotropin-Releasing Hormone - pharmacology, Coumestrol - pharmacology, Hypothalamus - drug effects, Sex Differentiation - drug effects, Diethylstilbestrol - pharmacology, Hypothalamus - growth & development, Pituitary Gland - growth & development, Sitosterols - pharmacology, Pituitary Gland - drug effects, Luteinizing Hormone - blood