The diagnosis of blighted ovum by sonar.
D000022:Abortion, Spontaneous / Q000175:diagnosis; D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D006801:Humans; D010063:Ovum / Q000002:abnormalities*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D014463:Ultrasonography; D014592:Uterine Hemorrhage / Q000175:diagnosis