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: Social & Preventive Medicine
Maternal mortality refers to maternal deaths from causes related to or aggravated by pregnancy and its management during – 
Select and explain. 
A. Pregnancy, child birth or first seven days after delivery, B. Child birth or first fourteen days after delivery, C. First 28 days after delivery, D. Pregnancy, child birth or first 42 days after delivery
D: Pregnancy, child birth or first 42 days after delivery
Answer: D: Pregnancy, child birth or first 42 days after delivery 
Explanation: None