Effects of certain 19-nor steroids upon reproductive processes.
D004967:Estrogens; D010829:Physiological Phenomena; D011374:Progesterone / Q000031:analogs & derivatives; D012098:Reproduction / Q000187:drug effects*; D013256:Steroids
D004967:Estrogens; D013256:Steroids; D011374:Progesterone
ESTROGENS/effects; PROGESTERONE/related compounds; REPRODUCTION/effect of drugs on