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: Pediatrics
[{'content': 'The foetal length is affected if the mother has undernutrition during the - \nSelect and explain. \nA. First trimester, B. Second trimester, C. Third trimester, D. Any time during the pregnancy', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Any time during pregnancy o Fetal growth is affected by maternal nutrition during any trimester in pregnancy. o Fetal growth is affected even by nutritional status of mother prior to pregnancy.", 'role': 'assistant'}]