自1978年1月起至1986年4月在我院共收治滋养细胞肿瘤患者70例,占同期总妊娠数31,247人的2.2‰,1∶446妊娠,发生率是较高的,其中误诊为早孕,在人流或探条人流时发现为葡萄胎患者有11例,占同期总人流数12,742人的0.86‰,1∶1158人流。有流产症状而误诊为先兆,难免或过期流产的葡萄胎患者25例,无流产症状而清宫术前已确诊为 From January 1978 to April 1986, 70 cases of trophoblastic tumor were treated in our hospital, accounting for 2.2 ‰ and 1: 446 pregnancies of 31,247 total pregnancies in the same period, with a higher incidence, of which misdiagnosed as early pregnancy , 11 cases were found to be hydatidiform mole in the flow of people or probe, accounting for 0.86 ‰ and 1:1158 of 12,742 people in the same period. Misdiagnosed as a symptom of miscarriage and threatened, inevitable or expired miscarriage in 25 cases of hydatidiform mole, abortion-free symptoms and clearance of the Palace before surgery has been diagnosed