Maternal obesity and breast-feeding practices

摘要: Background Maternal obesity has been associated with poor lactation in animal models, but the results of related research humans are inconclusive. Objective We tested hypothesis that women who obese before pregnancy or gain excessive weight during less likely to initiate and maintain breast-feeding than their normal-weight counterparts. Design analyzed 124 151 mother-infant pairs from Pediatric Nutrition Surveillance System Pregnancy System. Body mass index (BMI) gestational were categorized according guidelines Institute Medicine. Multiple logistic regression was used identify association between maternal initiation (n = 51 329), multiple linear examine effect on duration among initiated 13 234). Results Regardless gain, a normal BMI also gained recommended pregnancy. each independently breast-feeding. Women breast-fed approximately 2 wk did counterparts, either failed reach exceeded 1 those weight. Conclusions Both inadequate have negative practice. need extra support for