Contraceptive steroids and sexual activity.
D000818:Animals; D002715:Chlormadinone Acetate / Q000494:pharmacology*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004542:Ejaculation; D005040:Ethynodiol Diacetate / Q000494:pharmacology*; D005260:Female; D008297:Male; D008656:Mestranol / Q000494:pharmacology*; D010507:Periodicity; D012726:Sexual Behavior, Animal / Q000187:drug effects*
D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate; D005040:Ethynodiol Diacetate; D008656:Mestranol