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Fig. 2 | BMC Pregnancy and Childbirth

Fig. 2

From: The effect of gestational weight gain on perinatal outcomes among Chinese twin gestations based on Institute of Medicine guidelines

Fig. 2

Multivariable 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 delivery

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