Anencephaly is a congenital disability characterized by abnormal development of the brain and the skull. The bones of the skull and the brain of the baby failed to form completely during pregnancy. This affects the development of the cerebellum which is responsible for thinking, movement, and senses. Without a healthy cerebellum, a person cannot survive.
Anencephaly is considered a type of neural tube defect that is a term given to a list of congenital disabilities in the brain or spinal cord in the first month of pregnancy. The neural tube is a narrow channel responsible for the formation of the brain and spinal cord of the embryo. It folds typically and closes between the 3rd and 4th week of pregnancy. However, with anencephaly, the neural tube’s head end fails to complete, causing the non-appearance of a major portion of the brain, skull, and scalp.