[Risk factors for cesarean section: epidemiologic approach].

The increase in frequency of cesareans that has been noted through 70's, not diminished--like it was expected--perinatal morbidity and mortality. The most important indications to cesarean are distocias, previous cesarean and fetal stress. In 1998 frequency of cesarean deliveries in our hospital was 35% of the pregnancy attended.

[Perinatal mortality 1 in Colima, Col. Case-control study].

Unlabelled: Perinatal mortality 1 (PM1) includes deads occurred from 28th week of gestation to 1st week of extrauterine life. The aim of this study was to describe, from medical records, clinical-epidemiological characteristics of 19 perinatal mortality 19 cases and 36 controls occurred in 1998 at a General Hospital.

Results: Interruption of the fetal-placental circulation, cardiopathy and ventricular hemorrhages were the main causes of PM1.