S. SrivannaboonC. VatananusaraS. BoonyanitMahidol University2018-04-192018-04-191974-12-01Journal of the Medical Association of Thailand. Vol.57, No.11 (1974), 537-542012522082-s2.0-0016357566https://repository.li.mahidol.ac.th/handle/20.500.14594/10665An analysis of 447 cases of trophoblastic disease observed in Bangkok, between January 1966 to December 1972 is presented. Of these 447 cases there were hydatiform mole 75.84%, chorioadenoma destruens 6.93% and 17.23% of choriocarcinoma. In the same period 122,093 hospital pregnancies, 118,505 hospital deliveries and 4,488 hospital abortions were managed. The incidence is 1:363 hospital pregnancies for hydatidiform mole, 1:3,938 hospital pregnancies for chorioadenoma destruens and 1:1,589 hospital pregnancies for choriocarcinoma. Geographic incidence of trophoblastic disease is discussed. The reasons for a wide geographic variation in incidence of trophoblastic disease are still unknown.Mahidol UniversityMedicineArticleSCOPUS