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
[{'content': 'As per WHO low bih weight is defined as ? \nSelect and explain. \nA. Bih weight less than 2.5 kg, B. Bih weight < 10th percentile, C. Gestational age < 34 weeks, D. Gestational age < 28 weeks', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Bih weight less than 2.5 kg o Appropriate for gestational age (appropriate for date) Babies with bih weight ranging between 10th to 90th percentile on such a cha are considered appropriate for date. Small for gestational age (small for date) Babies with bih weight less than 10th percentile are categorized as small for dates. o Large for gestational age (large for date) Babies with bih weight more than 90th percentile are categorized as large for date. o Low bih weight newborn Any neonate weighing less than 2500 gm at bih irrespective of the gestational age. o Very low bih weight newborn Any neonate weighing less than 1500 gm at bih irrespective of the gestational age. o Extremely low bih weight newborn Any neonate weighing less than 1000 gm at bih irrespective of the gestational age.", 'role': 'assistant'}]