title: Anal atresia: a prenatal ultrasound diagnosis.
mesh_terms: D000328:Adult; D001006:Anus, Imperforate / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography