Nonsyndromal anencephaly: Possible autosomal recessive variant

Abstract
The recurrence of anencephaly in families has been explained on a multifactorial basis. We present two unrelated families with three sibships of several nonsyndromal anencephalics including two pairs of concordantly affected like‐sex twins. A rare autosomal recessive variant is proposed and inheritance is discussed in view of parental consanguinity among the two affected sibships in one family.

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