INFOGRAPHICPREGNANCY

What Is a Neural Tube?

By Twill Care Editors
Reviewed by Alyssa Quimby, M.D.
September 06, 2023
neural tube noun The basis of the brain and spinal cord. It forms in early pregnancy.

The neural tube starts out teeny and flat like a ribbon. Then, it closes into a tube in early pregnancy, usually around week 6. This forms the basis of the fetus’s brain and spinal cord.

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