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
In a primigravida, head engages at: March 2013 
Select and explain. 
A. 36 weeks, B. 1st stage, C. Term, D. 2nd stage
A: 36 weeks
Answer: A: 36 weeks 
Explanation: Ans. A i.e. 36 weeks