You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following malformation in a newborn is specific for maternal insulin dependent diabates mellitus ? and explain in detail?
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