title: Difficulties in the ultrasonic diagnosis of hydatidiform mole.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000175:diagnosis*; D011247:Pregnancy; D014465:Ultrasonics / Q000379:methods; D014463:Ultrasonography