TY - JOUR AU - Mattar, R; Torloni, M R; BetrĂ¡n, A P; Merialdi, M TI - [Obesity and pregnancy] JO - Rev Bras Ginecol Obstet IS - 03 VL - 31 PY - 2009 SP - 107 EP - 110 N1 - . Doi: 10.1590/S0100-72032009000300001 ER -