In the period June 1985 to May 1990 there were 1,307 stillbirths and 85.709 live births in HNERM., With a death rate Fetal 15.2 X 1000 NV, 435 cases related to Fetal Death Intermedia (33.3) 20-27 wk . and 872 (66.6%) Late Fetal Death 28-42 or more weeks. 450 cases, including 150 Intermediate Fetal Mortality and Late Fetal Mortality 300, finding that 58.6% of mothers were between 25 and 26 years of age and 32% were primiparous, which corresponds to the age and parity were studied of pregnant women treated in the hospital. The determinants of fetal death were mainly induced Hypertension pregnancy, placental abruption, premature rupture of membranes; not having determined the cause in 42% of cases. 224 cases had pathological study found mainly CARIOAMNIONITIS, omphalitis CALCIFICATION PLACENTAL, with infiltration HEMORRHAGIC. It is concluded that the most frequent was the late fetal death a...