Antifertility substances.
D003270:Contraceptive Agents; D005260:Female; D006801:Humans; D008297:Male; D010063:Ovum / Q000187:drug effects*; D011247:Pregnancy / Q000502:physiology; D013094:Spermatozoa / Q000187:drug effects*
D003270:Contraceptive Agents
CONTRACEPTIVES; OVUM/effect of drugs on; PREGNANCY/physiology; SPERMATOZOA/effect of drugs on