Association between Neonatal Hypoglycemia and 30-Day Breastfeeding Outcomes among Gravidas with Type 2 Diabetes
Abstract
Objective: Pregestational diabetes is associated with low prevalence of breastfeeding due to low rates of intent, delayed lactogenesis, and early infant separation. It is hypothesized that the perceived need for formula supplementation due to neonatal hypoglycemia, coupled with maternal low early milk supply, is a barrier to breastfeeding initiation. Whether there is an association between neonatal hypoglycemia and breastfeeding is unknown. We evaluated associations between neonatal hypoglycemia and breastfeeding.
Study design: This is a secondary analysis of a randomized controlled trial of metformin versus placebo plus insulin in participants with type 2 diabetes. We included participants who delivered a liveborn neonate, endorsed intention to breastfeed, and had neonatal hypoglycemia data available. A breastfeeding questionnaire was administered at 30-day postpartum, and outcomes were compared between neonates with and without hypoglycemia. The primary outcome was prevalence of exclusive, partial, or no breastfeeding at 30-day postpartum. Secondary outcomes included time to breastfeeding cessation and contributing factors. Characteristics were compared with chi-square, t-tests, or Wilcoxon tests.
Results: A total of 420 participants in the primary study (53%) completed an antepartum survey, including a question about intent to breastfeed. After exclusion criteria were applied, 370 (91%) of 405 possible participants reported intention to breastfeed. Among these 370 who met…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 420 participants or records.
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