This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Which one of the following is not associated with diabetes in pregnancy ? 
Select and explain. 
A. Sacral agenesis of the fetus, B. Advanced placental grading, C. Baby weight > 3.5 kg, D. Hydramnios
B: Advanced placental grading
Answer: B: Advanced placental grading 
Explanation: Advanced placental grading