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
Perinatal moality rate include which of the following? 
Select and explain. 
A. Aboions + Still bih + early neonatal deaths, B. Still bih + early neonatal deaths, C. Aboions + early neonatal deaths, D. Deaths up to 42 days after bih
B: Still bih + early neonatal deaths
Answer: B: Still bih + early neonatal deaths 
Explanation: perinatal moality rates include both late fetal deaths (still bihs) and early neonatal deaths. PMR= late fetal deaths +early neonatal deaths in one year/live bihs +late foetal deaths*1000 Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 563