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A member asked:
At which week does the fetus' brain start developing?
4 doctors weighed in across 2 answers
RIGHT AWAY: The fifth week of pregnancy, or the third week after conception, marks the beginning of the embryonic period. This is when the baby's brain, spinal cord, heart and other organs begin to form.
Answered 5/31/2012
5.8k views
Before you know it.: Neurulation starts soon after conception and many open neural tube defects occur before you know you are pregnant. That is the reason all sexually active women should be on folate (folic acid) during their reproductive years (or until menopause, hysterectomy, or bilateral tubal ligation) regardless of pregnancy plans. The brain development continues in utero until delivery and postnatally for many more years..
Answered 12/9/2013
5.7k views
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