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Here is fact #4

by | Oct 17, 2022

Week 4: The baby’s brain is growing so rapidly that the head makes up about 1/3 of the embryo’s entire size! By this point, an early form of the cerebellum appears, which will later control coordination and muscle control. Upper and lower limb buds also appear by 4 weeks, which indicate that arms and legs are already developing! #40weeks40facts

Categories: Fetal Development
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