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': 'Hysterosalphingography is clone during? \nSelect and explain. \nA. During menstruation, B. Luteal phase, C. Follicular phase, D. Secretory phase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Follicular phase REF: Shaw\'s Gynecology 13th ed p.- 210 "Hysterosalphingography is performed between the end of the menstrual period and ovulation at around 10th day. This is the phase of follicular development"', 'role': 'assistant'}]