This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
Maternal moality refers to maternal deaths from causes related to or aggravated by pregnancy and its management during - 
Select and explain. 
A. Pregnancy, child bih or first seven days after delivery, B. Child bih or first foueen days after delivery, C. First 28 days after delivery, D. Pregnancy, child bih or first 42 days after delivery
D: Pregnancy, child bih or first 42 days after delivery
Answer: D: Pregnancy, child bih or first 42 days after delivery 
Explanation: Maternal moality rate is total no.of female deatha due to complications of pregnancy, childbih or within 42 days of delivery from puerperal causes.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-514