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': 'Intermediate cell predominance on a vaginal cytology is seen in : \nSelect and explain. \nA. Pregnancy, B. Menstruation, C. Post ovulatory, D. Premenstrual', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pregnancy', 'role': 'assistant'}]