Prevalence and factors associated with excessive weight gain in pregnancy in health units in the southwest of Bahia.

Objective: To determine the prevalence of excessive gestational weekly weight gain and to identify its association with demographic, socioeconomic, obstetric, anthropometric, and behavioral characteristics.

Methods: This cross-sectional study included 328 pregnant women attending all health units in the urban area of Vitória da Conquista, Bahia. The data were collected from May 2010 to June 2011.