Hormontherapie in der frauenheilkunde-grundlagen und praxis

Hormones

“…The naturally occurring estrogens estradiol (47), estrone (10), and estriol (48), together with the gestagen, progesterone (7), regulate the menstrual cycle in humans and several animal species [164]. In addition, estrogenic hormones influence the growth and blood circulation of the uterus, vagina, and mammary glands.…”

“…They are used in substitution therapy to control estrogen deficiency caused by ovarian hypofunction, castration, or menopause. They are also used in suppression therapy to suppress gonadotropininduced ovulation and the endogenous production of estrogens [164]. Because of the latter, estrogens are used together with gestagens as combination contraceptive agents (→Contraception, Chap.…”

“…A defined dose ratio of estrogen to gestagen together with a set mode of administration prevents ovulation and, consequently, fertilization with minimal side effects. The hormones are also administered in osteoporosis senilis, prostate carcinoma, mastocarcinoma, and for suppression of lactation [164].…”