USE OF COMPETITIVE PROGESTERONE ANTAGONISTS FOR CONTRACEPTION, NEW COMPOUNDS OF ORDER OF COMPETITIVE PROGESTERONE ANTAGONISTS Russian patent published in 1999 - IPC

FIELD: medicine, contraception. SUBSTANCE: invention proposes the use of competitive antagonists of progesterone for oral contraception. Antagonists of progesterone are used during follicular and, optionally, luteal phase of menstrual cycle being at doses that are lower as compared with that inhibiting obulation and inducing abortion. Method ensures to inhibit the formation of endometrium glands and blocking implantation of fertilized ovum. EFFECT: enhanced effectiveness of the progesterone antagonists. 14 cl, 1 tbl, 6 dwg, 5 ex