Gestational Weight Gain and its Relation with Birth Weight of the Newborn
Introduction: Gestational weight gain is an important predictor of the health of the newborn. It is affected by body mass index of the women. This study was conducted to find out gestational weight gain according to Institute of Medicine 2009 recommendation and relationship of newborn birth weight to body mass index and gestational weight gain of the women.
Methods: It was cross sectional, hospital based study. The women, who attended at term pregnancy for delivery and having recorded first trimester body weight, were included in the study. Their body mass index was calculated and they were stratified into 4 groups according to body mass index. The gestational weight gain was calculated by subtracting first trimester body weight from body weight at the time of admission for delivery. All the women were followed till delivery. The newborn birth weight was taken immediately after delivery.
Results: A total of 227 women were enrolled in the study. More than half of the women had normal body mass index. There were 36% overweight and obese women. Mean gestational weight gain was 10.21 kg, and mean weight of the newborn was 3.05 kg. There were equal number of women who had adequate weight gain and less weight gain according to the recommendation. Excess weight gain was seen in 15% of women. Women of higher body mass index and women who had gain more weight during pregnancy had larger newborns.
Conclusions: Body mass index and gestational weight gain of the women were important predictors of birth weight of the newborn.
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