Importance of gestational age

Postneonatal mortality: Editorial correspondence

Neonatal mortality risk in relation to gestational age and birthweight. Results of a national survey of preterm and very-low-birthweight infants in the Netherlands

In a cohort of 1338 very preterm and/or very-low-birthweight infants, representing 94% of all infants born alive after less than 32 weeks' gestation or weighing less than 1500 g in the Netherlands in 1983, the neonatal mortality rate was 233 per 1000. In these infants, the best obstetric estimate of gestational age was a better predictor of...