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
Still birth rate includes babies dead after 
Select and explain. 
A. 37 weeks, B. 28 weeks, C. 20 weeks, D. 24 weeks
B: 28 weeks
Answer: B: 28 weeks 
Explanation: None