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Several malformations and malformation complexes have been alleged to be associated with maternal type 1 diabetes mellitus: in particular, sacral dysplasia, caudal regression/sirenomelia, femoral dysplasia, and holoprosencephaly. For some of the malformations the claim rests on case material, and for others on theoretical considerations. The history and evolution of these ideas are presented.
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Harold Kalter (1993) studied this question.
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