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Ankyloglossia, Breastfeeding, and Infant Weight Gain: A Mixed-Methods Study.

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Ankyloglossia (tongue-tie) does not significantly impact exclusive breastfeeding (EBF) rates or infant weight gain. Focus on multidisciplinary care for breastfeeding challenges, not solely on ankyloglossia.

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Area of Science:

  • Pediatrics
  • Lactation Science
  • Neonatal Care

Background:

  • Ankyloglossia, or tongue-tie, is often cited as a cause of breastfeeding difficulties and early cessation of exclusive breastfeeding (EBF).
  • Despite increased frenotomy rates, EBF rates have not risen, questioning ankyloglossia's primary role in breastfeeding challenges.
  • This study investigates the specific contribution of untreated ankyloglossia to the early cessation of EBF.

Purpose of the Study:

  • To determine the impact of untreated ankyloglossia on exclusive breastfeeding (EBF) duration.
  • To assess the effect of ankyloglossia on infant weight gain velocity.
  • To identify factors contributing to early breastfeeding cessation in mother-infant dyads.

Main Methods:

  • A sequential explanatory mixed-methods study was conducted with 476 mother-infant dyads within 48 hours of birth.
  • Infants were assessed for ankyloglossia (tongue-tie), and breastfeeding difficulties were evaluated.
  • Exclusive breastfeeding (EBF) rates and infant weight gain were compared between infants with and without ankyloglossia, supplemented by qualitative interviews.

Main Results:

  • No significant difference was observed in EBF rates at 6 months (81.4% No-TT vs. 78.6% TT) or infant weight gain velocity.
  • Maternal concern regarding inadequate milk supply was linked to lower EBF odds (OR 0.22).
  • Early breastfeeding cessation was rarely attributed to infant sucking skills or nipple pain in either group.

Conclusions:

  • Ankyloglossia alone does not appear to significantly affect breastfeeding maintenance or infant weight gain.
  • Breastfeeding outcomes can be improved by addressing all potential contributing factors through multidisciplinary management, rather than focusing exclusively on ankyloglossia.
  • Maternal perception of insufficient milk supply is a critical factor influencing breastfeeding cessation.