Voluntary sterilization.
D003153:Community Health Services; D003376:Counseling; D003657:Decision Making; D005260:Female; D006801:Humans; D007258:Informed Consent; D008297:Male; D011247:Pregnancy; D012661:Semen / Q000032:analysis; D014481:United States; D014659:Vasectomy / Q000592:standards