title: Intravaginal contraception with the synthetic progestin, R2323.
mesh_terms: D000328:Adult; D003274:Contraceptive Devices, Female; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D010060:Ovulation / Q000187:drug effects*; D011374:Progesterone / Q000097:blood; D045167:Progesterone Congeners / Q000097:blood / Q000494:pharmacology*; D012826:Silicone Elastomers; D014621:Vagina
chemical_list: D045167:Progesterone Congeners; D012826:Silicone Elastomers; D011374:Progesterone