Contraceptive dynamism.
D003267:Contraception / Q000379:methods*; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D008297:Male; D012725:Sexual Behavior
D003276:Contraceptives, Oral