作者自1979～1983年9月进行该项研究.材料来自意大利米兰大学及总医院住院病人. 通过标准调查表了解病人的特征、习惯、妇、产科疾病、口服避孕药及其他女性激素应用史等. 病例选自组织学确诊的妇、产科住院的卵巢上皮癌病人,60岁以下者209例.浆液性癌占61%,透明细胞癌6%,子宫内膜样癌13%,粘液癌13%,未分化癌7%。 The study was conducted from 1979 to September 1983. Materials were from inpatients at the University of Milan and General Hospital in Italy and were used to understand patient characteristics, habits, gynecological and obstetric diseases, oral contraceptives and other female hormone use history through standard questionnaires Cases were selected from patients with histologically confirmed ovarian cancer who were hospitalized in obstetrics and gynecology, and 209 under the age of 60. Serous carcinomas accounted for 61%, clear cell carcinomas 6%, endometrioid carcinomas 13%, mucinous carcinomas 13% , Undifferentiated carcinoma 7%.