Very low urgency
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Between 2 and 6 months of age, the infant smiles spontaneously at the sight of family members or acquaintances.
© Teckel Medical S.L. 2026
Lack of social smile
Associated diseases
Asperger's syndrome (Pediatrics - PEDS)
Autism Spectrum Disorder - Autism Spectrum Disease - ASD (Pediatrics - PEDS)
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