Male infertility.
D000328:Adult; D006801:Humans; D007248:Infertility, Male / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D008297:Male; D013076:Sperm Count; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology; D013737:Testis / Q000503:physiopathology