[Perinatal mortality at the Medical Care Units of the IMSS (Mexico Social Security Institute), National Medical Center of Torreón].

To describe the situation of perinatal mortality during 1994 year in General Hospitals with Family Medicine number 16 and 18 of IMSS (Social Security Mexican Institut) National Medical Center in Torreón Coah. It was realized a retrospective study, were included 199 files of perinatal deaths occurred from January 1st to December 31 of 1994. The variables obtained were number of death for step, period, age, sex, weight and the cause of the cause of the death. Were eliminated the files without data of interest. For the analysis our utilized descriptive statistics. The rate of perinatal mortality was 20.17 per 1000 live birth, fetal death rate 9.58 by 1000 and the rate of neonatal death 12.97 per 1,000 live birth, fetal death rate 8.68 and neonatal death rate 12.30. The majority were in the perinatal period one with a rate of 16.71 by 1,000 live birth. Were most common in a male sex (53%) in pregnancies from 28 to 32 weeks (33.91%) and in babies with less of 1000 gr of weight (33.86%). The causes more frequents of deaths were the respiratory difficult syndrome (41.77%), the anomalies (19.62%) and hypoxia (9.49%). The perinatal mortality in our study was similar that in the rest of the country and is acorde with the literature. The perinatal mortality were in the perinatal period one. Is important to conduce a prospective studies.