Baby Development Milestones: Brain, Bone & Neck Growth Guide

Baby development spans from conception to birth and beyond, encompassing critical milestones in brain, bone, and skull growth. Average infant weight gain and growth spurts vary by month.

Father reading to daughter (15-18 months) on sofa, smiling

Skull Development in Infants

When a baby is born, its skull is not the solid single piece of bone it will become later in life. To allow the baby to pass through the birth canal, as well as to allow for additional brain growth, the skull is initially separated into several different parts.

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