Adjusted* relative risks of cesarean delivery, preterm birth, small for gestational age (SGA) and large for gestational age (LGA) birth for women below and above the Institute of Medicine (IOM/NRC 2009) guidelines for 3^rd trimester weekly gestational weight gain.

<p>Brazilian Study of Gestational Diabetes (EBDG) (n = 2,244). *adjusted through Poisson regression with a robust error variance for education, age, skin color, parity, hypertensive disorders, diabetes, height, smoking, alcohol consumption and 2^nd trimester weight gain. Wt G: weight gain.