Oral contraceptives--choice of product.
D002715:Chlormadinone Acetate; D003276:Contraceptives, Oral / Q000009:adverse effects; D005040:Ethynodiol Diacetate; D006801:Humans; D008234:Lynestrenol; D009640:Norethindrone; D009641:Norethynodrel; D011372:Progestins / Q000009:adverse effects
D003276:Contraceptives, Oral; D011372:Progestins; D002715:Chlormadinone Acetate; D005040:Ethynodiol Diacetate; D009641:Norethynodrel; D008234:Lynestrenol; D009640:Norethindrone