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.

Close-up of a father playing with his baby boy

Development of a 7-Week-Old

Your 7-week-old still has many characteristics of a newborn, but he is developing at a rapid pace. With every passing day he meets new milestones and his personality shines through a little more.

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