Aim: High and low gestational weight gain (GWG) adversely affects perinatal outcomes, and impacts long-term maternal and child health. Our aim is to report i) GWG categories by 2009 Institute of Medicine guidelines in the multi-ethnic population in Counties Manukau Health, ii) demographic factors and iii) adverse perinatal outcomes associated with high and low GWG.
Method: Women with singleton pregnancy and weight recorded at ≤20 weeks and again in the third trimester comprised the study population.