Vasectomy reversal.
D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D011247:Pregnancy; D012661:Semen / Q000166:cytology; D013094:Spermatozoa; D013243:Sterilization Reversal; D014649:Vas Deferens / Q000033:anatomy & histology / Q000601:surgery; D014659:Vasectomy