The PREDG study: a randomised controlled trial testing whether an educational intervention can prevent gestational weight gain in women with obesity

OBJECTIVE The PREDG trial was designed to study the influence of an educative program on gestational weight gain in women with pregestational obesity. METHODS Randomized controlled clinical (https://www.isrctn.com/ISRCTN61793947) 169 obesity (BMI ≥30 kg/m2). Women were randomized participate a group education nutrition and physical activity or conventional follow-up specialized Unit Obesity Pregnancy. nutritional intervention adjusted prepregnancy BMI intensity. Quality based Mediterranean diet. Macronutrients distributed as follows: 50% carbohydrates, 20% protein 30% fat. Adequate defined between 5-9 kg (IOM 2009). Mean compared groups by using T Student test frequencies adequate ꓫ2. RESULTS Gestational lower group: 8 (4-11) vs 9.2 (6-13) kg, p 0.026. below 9 24 39 (61.5%) 10 41 (24.4%) control (p 0.001). Regarding obstetric complications, there 15 (8.3%) cases diabetes no differences groups. There 14 85 (18.2%) hypertension preeclampsia 26 84 (32.5%) 0.040). With reference neonatal weight, 7 82 (8.5%) large for age neonates 79 (19.2%) 0.050). CONCLUSIONS A group-based structured results rates hypertension, pregnant