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
Risk of amniotic fluid embolism is greatest in : 
Select and explain. 
A. First trimester of pregnancy, B. Second trimester of pregnancy, C. During labour, D. In puerperal period
C: During labour
Answer: C: During labour 
Explanation: During labour