A new sign for differential diagnosis of ovarian tumour with pregnancy.
D000328:Adult; D000568:Amenorrhea; D003537:Cystadenoma; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000175:diagnosis*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*