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: Gynaecology & Obstetrics
[{'content': 'Nullipara means: March 2013 \nSelect and explain. \nA. Never completed a pregnancy to the stage of bility, B. 1 child with other dead, C. In labor, D. More than 3 childs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Never completed a pregnancy to the stage of bility', 'role': 'assistant'}]