title: Inhibition of ovulation by gestagens.
mesh_terms: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D003280:Contraceptives, Oral, Synthetic; D003864:Depression, Chemical; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D010060:Ovulation / Q000187:drug effects*; D011374:Progesterone / Q000097:blood; D045167:Progesterone Congeners / Q000097:blood / Q000494:pharmacology*
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D003280:Contraceptives, Oral, Synthetic; D045167:Progesterone Congeners; D011374:Progesterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone