title: [Chemical aspects of steroidal contraceptives].
mesh_terms: D000728:Androgens; D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003272:Contraceptive Agents, Male; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D010064:Embryo Implantation; D004958:Estradiol; D004967:Estrogens; D005193:Family Planning Services; D005835:Genitalia; D005836:Genitalia, Female; D006728:Hormones; D007267:Injections; D007434:Intrauterine Devices; D009644:Norgestrel; D010060:Ovulation; D010066:Ovum Transport; D010827:Physiology; D045167:Progesterone Congeners; D012098:Reproduction; D013083:Sperm Transport; D013092:Spermatogenesis-Blocking Agents; D013739:Testosterone; D014566:Urogenital System; D014599:Uterus
chemical_list: D000728:Androgens; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003272:Contraceptive Agents, Male; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D004967:Estrogens; D006728:Hormones; D045167:Progesterone Congeners; D013092:Spermatogenesis-Blocking Agents; D009644:Norgestrel; D013739:Testosterone; D004958:Estradiol
keywords: Androgens; Biology; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Male; Contraceptive Agents, Progestin; Contraceptive Methods--pharmacodynamics; Contraceptive Mode Of Action; Estradiol; Estrogens; Family Planning; Genitalia; Genitalia, Female; Hormones; Implantation Suppression; Inhibition Of Fertilization; Injectables; Iud; Norgestrel; Oral Contraceptives, Combined; Oral Contraceptives, Phasic; Oral Contraceptives--pharmacodynamics; Ovulation Suppression; Ovum Transport; Physiology; Progestins, Low-dose; Quingestanol Acetate; Reproduction; Sperm Transport Inhibition; Spermatogenesis Blocking Agents; Testosterone; Urogenital System; Uterine Effects; Uterus
vernacular_title: Aspect chimique des contraceptifs steroidiques.