Posted by e-Medical PPT
Anencephaly is a cephalic disorder  that results from a neural tube defect that occurs when the cephalic end of the neural tube fails to close, usually between the 23rd and 26th day of pregnancy, resulting in the absence of a major portion of the brain, skull, and scalp.Children  with this disorder are born without a forebrain, the largest part of the brain consisting mainly of the cerebral hemispheres.The remaining brain tissue is often exposed—not covered by bone or skin.Most babies with this genetic disorder do not survive birth.
Anencephaly can often be diagnosed before birth through an ultrasound examination. The maternal serum alpha-fetoprotein(increased levels suggest a neural tube defect)   and detailed fetal ultrasound can be useful for screening for neural tube defects such as spina bifida or anencephaly.
There is no cure or standard treatment for anencephaly and the prognosis for patients is death.
It is important for women who may become pregnant to get enough folic acid.There is good evidence that folic acid can help reduce the risk of certain birth defects, including anencephaly. Women who are pregnant or planning to become pregnant should take a multivitamin with folic acid every day.

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