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What is the Influence of Maternal Weight Gain in Different Gestational Clinical Conditions on the Prole Weight in Pre-School Age?


 BACKGROUND

The aim of the current study was to assess the influence of maternal weight gain in different clinical gestational conditions on the child's weight at pre-school age.
METHODS

longitudinal observational study of a prospective and controlled multiple cohort of 372 mother-child pairs from 2011 to 2016 in three hospitals in Porto Alegre (Brazil). Socio-demographic, prenatal and perinatal data were analyzed. Gestational weight gain (GWG) was categorized as "insufficient", "adequate" and "excessive". The Generalized Estimation Equations (GEE) model was used to assess changes in the Z score of the child's body mass index from birth to preschool age according to the GWG and gestational group.
RESULTS

A triple interaction effect was observed involving the gestational group, weight gain and time (p = 0.020) through an adjusted model. Maternal weight gain above the recommended is associated with a significant increase in the child's Z-BMI score over time, except for children from pregnant smokers. Children from diabetic (DM), hypertensive mothers, and the control group who had a weight gain above that recommended during pregnancy changed their nutritional status from eutrophic to overweight, becoming obese in the DM and hypertension groups and overweight in control.
CONCLUSIONS

Monitoring of the GWG, especially in the presence of hypertensive diseases and DM, should be effective to prevent children from developing overweight or obesity in preschool age with an important impact on health conditions in the future.