Progesterone-antagonistic and anti-oestrogen active compounds for common use for female contraception

摘要

Using of at least one compound with progesterone- antagonistic properties (PA) and at least one compound with anti-oestrogen properties (AE), each in a dose that would not in itself inhibit ovulation, in a single dosing unit, in order to prepare medicaments for female contraception. The mentioned medicaments expanding their contraceptive action based on receptivity inhibition, by preventing nidation of a fertilized egg cell in the mucous membrane of the uterus, without ovulation or the cycle being disrupted.