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ABSTRACT: Background
Previous studies focusing on the association between gestational diabetes and breastfeeding duration have been inconclusive.Objectives
We aimed to determine whether maternal gestational hyperglycemia is associated with the duration of breastfeeding and the concentrations of markers linked to breastmilk production.Methods
Data from the prospective, multiethnic Growing Up in Singapore Towards Healthy Outcomes study were used to assess the association of fasting plasma glucose (FPG) and 2-h postglucose challenge (2hPG) measured at 26-28 wk of gestation with duration of breastfeeding and concentrations of protein, lactose, citrate, sodium, potassium, and zinc in breastmilk 3 wk postpartum.Results
Of the 1035 participants, 5.2% and 9.5% had elevated FPG and 2hPG, respectively, consistent with a diagnosis of gestational diabetes mellitus based on International Association of Diabetes and Pregnancy Study Groups criteria. FPG ≥5.1 mmol/L was associated with a crude reduction in median breastfeeding duration of 2.3 mo. In a model adjusted for maternal prepregnancy BMI and intention to breastfeed, FPG ≥5.1 mmol/L predicted earlier termination of any breastfeeding (adjusted HR: 1.47; 95% CI: 1.04, 2.08) but not full breastfeeding (adjusted HR: 1.08; 0.76, 1.55). 2hPG ≥8.5 mmol/L was not significantly associated with the durations of any (adjusted HR: 0.86; 95% CI: 0.62, 1.19) or full (adjusted HR: 0.85; 95% CI: 0.62, 1.18) breastfeeding. Maternal FPG was significantly and positively associated with breastmilk sodium (adjusted coefficient: 1.28; 95% CI: 1.08, 1.51) and sodium-to-potassium ratio (adjusted coefficient: 1.29; 95% CI: 1.08, 1.54) but not with other measured breastmilk components.Conclusions
Women with FPG ≥5.1 mmol/L during pregnancy breastfeed for a shorter duration. Future work involving measurement of milk production is needed to determine whether low milk production predicts breastfeeding duration among women with elevated FPG. This trial was registered at www.clinicaltrials.gov as NCT01174875.
SUBMITTER: Pang WW
PROVIDER: S-EPMC7611668 | biostudies-literature | 2021 Sep
REPOSITORIES: biostudies-literature
Pang Wei Wei WW Geddes Donna T DT Lai Ching-Tat CT Chan Shiao-Yng SY Chan Yiong Huak YH Cheong Clara Y CY Fok Doris D Chua Mei Chien MC Lim Sok Bee SB Huang Jonathan J Pundir Shikha S Tan Kok Hian KH Yap Fabian F Godfrey Keith M KM Gluckman Peter D PD Shek Lynette P LP Vickers Mark H MH Eriksson Johan G JG Chong Yap-Seng YS Wlodek Mary E ME
The American journal of clinical nutrition 20210901 3
<h4>Background</h4>Previous studies focusing on the association between gestational diabetes and breastfeeding duration have been inconclusive.<h4>Objectives</h4>We aimed to determine whether maternal gestational hyperglycemia is associated with the duration of breastfeeding and the concentrations of markers linked to breastmilk production.<h4>Methods</h4>Data from the prospective, multiethnic Growing Up in Singapore Towards Healthy Outcomes study were used to assess the association of fasting p ...[more]