[Risk factors for macrosomia in newborns at a school-maternity in northeast of Brazil].

Objective: to determine the frequency of macrosomia in babies born alive at a reference obstetric service, and its association with maternal risk factors.

Methods: a transversal descriptive study, including 551 women at puerperium, hospitalized at Instituto de Saúde Elpídio de Almeida, in Campina Grande (PB), Brazil, from August to October, 2007. Women, whose deliveries had been assisted at the institution, with babies born alive from one single gestation and approached in the first postpartum day, were included in the study.