[Gestational trophoblastic disease. Prevalence and epidemiologic features at the IMSS Torreón Medical Center].

From August 1st, 1987, to August 31 1989, there were 18 patients with trophoblastic gestational disease (TGD). In that time there 12,263 births for a frequency of TGD of 1:681, the prevalence was 14.6 X 10,000 births. The most frequent symptom was nausea and the most frequent sign, abnormal uterine bleeding; uterine growth not accord to gestational age was not a constant sign. Ultrasound was the method of diagnosis and in all of the cases there were confirmation of diagnosis by tissue exam. The follow-up of the patients was done by standard protocol; oral contraceptives were used for family planning. Our findings are discussed and compared with those in the literature.