Depress？o durante a gesta？？o e os desfechos na saúde do recém-nascido: coorte de m？es atendidas em unidade básica de saúde

objective: describe the association between depression during pregnancy and effects on the newborn (low birth weight and prematurity). methods: we conducted a cohort study of 100 pregnant women enrolled between march and september 2011 in a public primary health service in nova igua？u. participants were interviewed about their sociodemographic characteristics, medical/obstetric conditions, stressful life events and social support. depression was assessed using the composite international diagnostic interview (cidi). after the post-partum mothers were interviewed about low birth weight and preterm birth. results: the prevalence of depression during pregnancy was 18% (95% ci: 12.2 to 23.8). factors associated with neonatal outcome were gestational depression (or: 6,60 ci: 1,51-28,91) and alcohol (or: 8,75 ci: 1,10-69,71). conclusion: the implications of this study to the practice emphasize the need for screening for depression during pregnancy.