Patterns and pitfalls in the ultrasonic diagnosis of molar pregnancy.
D003937:Diagnosis, Differential; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000175:diagnosis*; D011247:Pregnancy; D012189:Retrospective Studies; D014463:Ultrasonography; D014594:Uterine Neoplasms / Q000175:diagnosis*