This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
Caudal regression syndrome is seen in babies of the mother having 
Select and explain. 
A. PIH, B. Anemia, C. Cardiac disease, D. Diabetes
D: Diabetes
Answer: D: Diabetes 
Explanation: The caudal regression sequence is a rare malformation frequently associated with maternal diabetes.Ref: William&;s Obstetrics; 24th edition; Chapter 57; Diabetes Mellitus