A baby is born with spina bifida, which is a neural tube defect. This problem most likely initiated at which time in development?

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Spina bifida is a neural tube defect that occurs during the embryonic period of development, typically within the first four weeks after conception. This is when the neural tube, which eventually develops into the brain and spinal cord, is forming. If the neural tube fails to close properly, it can lead to defects such as spina bifida.

A Baby Is Born with Spina Bifida, Which Is a Neural