At what week is a baby's brain fully developed?

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Early Pregnancy

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Neural tube development begins after conception, forming the basis of the brain and spinal cord.

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First Trimester

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By the end of the first trimester (around 12 weeks), the basic structure of the brain is formed, and major regions can be identified.

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Second Trimester

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Rapid growth and refinement of the brain occur, with synapse formation peaking.

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Third Trimester

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Continued growth and maturation of the brain, including the development of cortical folds and increased myelination.

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Know More

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