This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical & Surgical Illness Complication Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Caudal regression syndrome is seen in babies of mother having: \nSelect and explain. \nA. Diabetes, B. PIH, C. Cardiac disease, D. Anaemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. DiabetesRef. Fernando Arias 3/e, p 454; COGDT 10/e, p 312"The lesion classically associated with diabetic embryopathy, the \'caudal regression syndrome\', is rare, with an incidence of 1.3 per 1000 diabetic pregnancies". --Fernando Arias 3/e, p 454', 'role': 'assistant'}]