title: Sexual causes of male infertility.
mesh_terms: D003075:Coitus; D004542:Ejaculation; D007172:Erectile Dysfunction / Q000150:complications*; D005260:Female; D006801:Humans; D007248:Infertility, Male / Q000209:etiology*; D008297:Male; D012661:Semen; D013997:Time Factors