[Hygiene of sex life (materials for discussions)].
D003267:Contraception / Q000379:methods; D005260:Female; D006801:Humans; D006920:Hygiene; D008297:Male; D011247:Pregnancy; D012736:Sex Education; D012725:Sexual Behavior / Q000502:physiology
Gigiena polovoĭ zhizni (materialy dlia besed).