title: [The mechanism of action of contraceptives].
mesh_terms: D000818:Animals; D002582:Cervix Mucus / Q000187:drug effects; D003267:Contraception; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003281:Contraceptives, Postcoital; D003300:Copper / Q000378:metabolism; D003338:Corpus Luteum / Q000254:growth & development; D003692:Delayed-Action Preparations; D010064:Embryo Implantation / Q000187:drug effects; D005187:Fallopian Tubes / Q000187:drug effects; D005260:Female; D005549:Foreign-Body Reaction; D006801:Humans; D007434:Intrauterine Devices; D008656:Mestranol / Q000494:pharmacology; D010053:Ovary / Q000187:drug effects; D010060:Ovulation / Q000187:drug effects; D011453:Prostaglandins / Q000502:physiology; D051381:Rats; D014599:Uterus / Q000502:physiology
chemical_list: D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital; D003692:Delayed-Action Preparations; D011453:Prostaglandins; D003300:Copper; D008656:Mestranol
vernacular_title: Mecanismo de accion de los contraceptivos