This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fetus, Subject name: Gynaecology & Obstetrics
Caudal regression syndrome is seen in babies of mother having : 
Select and explain. 
A. Gestational diabetes, B. PIH, C. Cardiac disease, D. Anaemia
A: Gestational diabetes
Answer: A: Gestational diabetes 
Explanation: Caudal regression syndrome or sacral agenesis is the congenital defect which is 200 times specific to diabetes. It is a fetal complication of maternal diabetes TEXT BOOK OF OBSTETRICS,Sheila Balakrishnan,2nd edition,page no.243