[Delivery of neonates with a birth weight of less than 1500 grams. Perinatal results during a 6-year period and possibilities of affecting them].

The authors evaluated the perinatal mortality and condition on delivery of 167 neonates with a birth weight under 1500 g who were delivered and hospitalized at the 2nd Department of Gynecology and Obstetrics in Brno between Jan. 1, 1985 and Dec. 31, 1990. The perinatal mortality of neonates with a birth weight below 1000 g was 73.1%, of those with a birth weight 1000 g-1500 g it was 25.9%. Early neonatal mortality was not influenced by the patient's age exceeding 30 years, occupation, environment, status, number of interrupted pregnancies, spontaneous abortions and previous spontaneous and induced deliveries, administration of tocolysis, corticoids, the position of the foetus, transport in utero, way of delivery, indication for Caesarean section and sex. Early neonatal mortality was influenced by the mother's age less than 20 years, administration of antibiotics, multiple pregnancy, grade of asphyxia, presence of RDS, necessity of respiratory support, incidence of intracerebral haemorrhage and birth trauma. In the discussion the authors mention possible ways of reducing the perinatal morbidity and early neonatal morbidity in the mentioned range of birth weights.