Influence de l'excès de poids maternel sur le poids de naissance d'une population de nouveau-nés à terme au Sénégal

The aim of this study was to analyze influence of maternal overweight on term newborns birthweight after normal pregnancy. It is a case control study between January 1st and may 30th 2003 in Abass-Ndao hospital center maternity of Dakar about 197parturients and their newborns files. Body mass index (BMI =P/T2) were used to classify mothers according to corpulence. Were classified as overweight, parturients with BMI higher or equal to 25 kg/m2 (N =59). Those with BMI regarded as normal (18,5-24,9 kg/m2) (N =138) had been taken as control. We had analyzed and compared newborns birthweight of these two groups. Sociodemographic characteristics were not different between the two populations (P >0.05). On the other hand, average parity and mean maternal age were lower for controls (P <0.05) but mean weight gain during pregnancy was more important P =0.001). Birthweight to 5th, 10th, 50th, 90th, 95th percentiles as well as mean birthweight, were higher for newborn babies of overweight mothers but the noted differences were not statically significant (p >0.05). These results show a weak influence of maternal overweight before pregnancy on newborn birthweight.