[Influence of maternal and neonatal factors on bronchopulmonary dysplasia development].

Objective: To review epidemiological features of bronchopulmonary dysplasia (BPD) and its relationship with maternal and neonatal conditions in a neonatal unit.

Methods: Cross-sectional, descriptive and analytical study involving preterm newborns (NBs) with a birth weight lower than 1,500 g and gestational age under 37 weeks. Data was collected through a review of medical records of these newborns admitted to a neonatal unit.