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Abstract Background and Aim: The aim of this study was to analyze the effects of breastfeeding on postpartum lipid metabolism, insulin sensitivity and body fat distribution in women with a history of gestational diabetes mellitus (GDM). Methods and Results: This was a retrospective pilot study. Participants were recruited from one-day GDM management clinics at the Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University between 2017 and 2020. After obtaining their breastfeeding histories, the participants were divided into 2 groups based on their infant feeding practices: a non-breastfeeding group (n=11) and a breastfeeding group (n=20). Anthropometric measurements, insulin resistance indices (oral glucose tolerance test), questionnaires about infant feeding practices, and dietary intake and physical activity patterns were obtained at 6-28 weeks approximately 20 months postpartum. When comparing the breastfeeding and non-breastfeeding groups, body fat percentage, arm circumference, waist circumference, visceral fat area, and insulin sensitivity were significantly improved by breastfeeding (P≤0.05, for all). In addition, a longer duration of breastfeeding negatively correlated with arm circumference and waist circumference (P≤0.05, for all). Conclusions: Our study showed that breastfeeding improves lipid metabolism, body fat distribution and insulin sensitivity in women with GDM,which may be further influenced by the duration of breastfeeding.
Zhou et al. (Mon,) studied this question.
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