Killick, S.R.

org 31710 org 31710 group cycle effect ovulation group concentration endometrial progesterone study oestradiol follicle endometrial thickness activity placebo contraception desogestrel mifepristone thickness difference women administration diameter anti-progestagen parameter endometrium progesterone concentrations pituitaryovarian follicle diameter pattern subject hormone cycle days 1 progestagen-only serum receptor placebo group oestradiol concentrations figure cycle days centre fertil landgren 300 mcg norethisterone anti-progestagen org 31710 progestagen steril progesterone receptors pituitaryovarian activity volunteer medication action cycle control correlation ovulatory mechanism non-ovulatory 28 days anti-oestrogenic activity oestrogen 75 g desogestrel luteinizing cycle day 19 lh concentrations reprod serum oestradiol concentrations proliferation desogestrel placebo users increase ru 486 result placebo-controlled two-centre study cycle days 7 feedback baird interval suppression a.m.van batista value