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. 2022 Nov 17;17(11):e0277599.
doi: 10.1371/journal.pone.0277599. eCollection 2022.

Impact of excessive gestational weight gain on exclusive breastfeeding among women with Type 1 and Type 2 diabetes and obesity

Leandro Cordero  1 , Michael R Stenger  1 , Mark B Landon  2 , Craig A Nankervis  1
Affiliations

Impact of excessive gestational weight gain on exclusive breastfeeding among women with Type 1 and Type 2 diabetes and obesity

Leandro Cordero et al. PLoS One. .

Abstract

Background: Pregestational diabetes, obesity and gestational weight gain (GWG) are associated with adverse perinatal outcomes, however, the influence of excessive GWG on lactation at discharge is less known. Our aim is to evaluate the impact of excessive GWG using the LifeCycle project guidelines on exclusive breastfeeding (EBF) and any BF rates at discharge among 171 women with Type 1 and 294 Type 2 diabetes and obesity who intended to BF.

Methods and findings: Retrospective cohort study. Obesity was defined by BMI (kg/m2) as grade 1 (30-34.9), grade 2 (35-39.9) or grade 3 (≥40). GWG was categorized as adequate, inadequate or excessive according to the 2019 LifeCycle Project guidelines. Women with Type 1 were younger (30 vs 33y), primiparous (51 vs 32%), delivered earlier (37 vs 38w) than women with Type 2 andwere different in grade 1 (40 vs 26%), grade 3 obesity (19 vs 49%) and median GWG (15 vs 11kg). Of all 465 women with Type 1 and Type 2 combined, 365 (78%) who had excessive GWG and 100 (22%) who had non-excessive GWG showed similar EBF (27 vs 25%) and any BF (72 vs 72%) rates. Regression analysis showed that after adjusting for potential confounders excessive GWG was not a predictor of EBF or any BF at discharge.

Conclusion: Type 1 and Type 2 diabetes, obesity and excessive GWG are associated with low EBF, however, excessive GWG is not an independent predictor of low EBF or any BF at discharge.

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Conflict of interest statement

The authors have declared that no competing interests exist.

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