Objective To explore,by conducting a meta-analysis,whether gestational impaired glucose tolerance (IGT) is an independent predictor of neonatal large for gestational age (LGA) or not.Methods Medline,Embase,and Cochrane Library databases were searched to identify published epidemiological studies (cohort and case-control studies) investigating the association between gestational IGT and neonatal LGA.Calculations of pooled estimates were conducted in random-effect models or fixed-effects models.