Is Anencephaly Rare?
Is Anencephaly Rare? Researchers estimate that about 1 in every 4,600 babies is born with anencephaly in the United States. How is anencephaly inherited? In Iranian Jews, who have high rates of consanguinity (mating with family members), it is inherited in an autosomal recessive manner. Parents who have had a child with anencephaly are at