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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following malformation in a newborn is specific for maternal insulin dependent diabates mellitus ?
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The correct answer is  Caudal regression syndrome or sacral agenesis ( which is very rare ) is the congenital defect which is specific for maternal insulin dependent diabates mellitus. It is the abnormal fetal development of the lower spine--the caudal paition of the spine. Reference : page 243 Textbook of Obstetrics Sheila Balakrishnan 2nd edition