Impact of Pre-Pregnancy Body Mass Index and Gestational Weight Gain on Preterm Birth [6A]

INTRODUCTION:This study was undertaken to evaluate the differential impact of pre-pregnancy body mass index (PPBMI) and gestational weight gain (GWG) on preterm birth (PTB).METHODS:Vital statistics (birth) data collected by the National Center for Health Statistics (NCHS) was utilized. Using the 201