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Effect of Pregnancy Weight Gain in Normal Weight Women before Conception on Foetomaternal Outcomes

BACKGROUND Maternal weight gain during pregnancy plays very important role in the outcomes of pregnancy. The study aims to show the relation between gestational weight gain in women with normal prepregnant weight and foetal as well as maternal complications during delivery. METHODS Healthy women (n= 300) with normal weight before pregnancy (body mass index 19.5-25.5 Kg/m 2 ) were randomly selected. Maternity records gave information on age, parity, education, height, prepregnant weight, gestational weight gain, smoking, gestational hypertension, diabetes, preeclampsia, mode of delivery, delivery complications, neonatal birth weight etc. Chi square and one-way ANOVA were used in the univariate analysis of the association between gestational weight gain and adverse outcomes (low birth weight, IUGR, preterm labor, preeclampsia, cesarean). Multiple logistic regression analysis was also used, while controlling the following factors: age, parity and education. (mean standard deviation). Kg) in pregnancy was highly associated with increased incidence of low birth weight baby (p<0.01), IUGR and cesarean delivery. A high weight gain (>12 Kg) was significantly associated with increased incidence of preeclampsia, cesarean delivery, and foetal macrosomia (p<0.01). Efforts should be made to attain proper weight gain and avoid low weight gain to optimize the birth outcome as well as to avoid maternal complications like preeclampsia.