AIMS: Women with gestational diabetes are at high risk for developing diabetes; post-partum weight loss may reduce the risk of diabetes. We evaluated the association of post-partum weight change with changes in glucose, insulin and homeostasis model assessment of insulin resistance in a subsample (n = 72) of participants from Diet Exercise and Breastfeeding Intervention (DEBI), a randomized pilot trial of lifestyle intervention for women with gestational diabetes.
METHODS: Glucose and insulin were measured fasting and 2 h after an oral glucose tolerance test at 6 weeks and 12 months post-partum. Women were categorized by weight change (lost > 2 kg vs. maintained/gained) between 6 weeks and 12 months post-partum.
RESULTS: Compared with women who maintained or gained weight, women who lost > 2 kg experienced significantly lower increases in fasting glucose [age-adjusted means: 0.1 mmol/l (95% CI -0.03 to 0.3) vs. 0.4 mmol/l (95% CI 0.3-0.6); P
CONCLUSIONS: In women with gestational diabetes, modest post-partum weight loss may be associated with improvements in glucose metabolism.
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