Why is the baby’s mouth deviating on one side? Asymmetry of baby face
All about newborn care! · 15 Feb 2026 · 2 min
Summary
A brief explainer on why a newborn's mouth may deviate to one side when crying, focusing on congenital hypoplastic depressor anguli oris muscle as a cause of facial asymmetry. Useful for staff performing newborn examinations who need to recognise this finding.
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