Fig. 2From: The effect of gestational weight gain on perinatal outcomes among Chinese twin gestations based on Institute of Medicine guidelinesMultivariable logistic analysis of associations between perinatal outcomes and GWG according to 2009 IOM guidelines. GWG, gestational weight gain; aOR, adjusted odds ratio; CI, confidence interval; SGA, small for gestation; LGA, large for gestation; *, adjusted for maternal age and maternal BMI classification; †, adjusted for maternal age, maternal BMI classification and chorionicity; ‡, GEE were utilized and adjusted for maternal age, maternal BMI classification, chorionicity and gestational age at deliveryBack to article page