Prospects in the control of conception.
D000028:Abortion, Induced; D003267:Contraception; D003270:Contraceptive Agents / Q000494:pharmacology; D004107:Dilatation and Curettage; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D005306:Fertilization / Q000187:drug effects; D006801:Humans; D007434:Intrauterine Devices; D008297:Male; D008722:Methods; D009640:Norethindrone / Q000494:pharmacology; D009644:Norgestrel / Q000494:pharmacology; D011453:Prostaglandins / Q000627:therapeutic use; D012965:Sodium Chloride / Q000627:therapeutic use; D013094:Spermatozoa / Q000187:drug effects; D013245:Sterilization, Reproductive
D003270:Contraceptive Agents; D004967:Estrogens; D011453:Prostaglandins; D009644:Norgestrel; D012965:Sodium Chloride; D009640:Norethindrone