Estrogens Pharmacological effects Development of the female genital tract and of the female secondary sex characteristics Maintenance of both proliferative and secretory phases of the uterine endometrium Ovulation T(small doses)or\(larger doses) Development of the breast and lactescence (small doses)or v(larger doses)Pharmacological effects • Development of the female genital tract and of the female secondary sex characeteristics. • Maintenance of both proliferative and secretory phases of the uterine endometrium • Ovulation:  (small doses) or  (larger doses) • Development of the breast and lactescence •  (small doses) or  (larger doses) Estrogens