This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Screening for Disease, Subject name: Social & Preventive Medicine
[{'content': 'Best time to screen in Breast self examination (BSE) technique is: \nSelect and explain. \nA. Just before the menstruation, B. Just after the menstruation, C. During ovulation, D. 2-3 days post-ovulation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Just after the menstruationRef: K. Park 23rd ed. / 389-90* Breast self-examination (BSE) is a screening method used in an attempt to detect early breast cancer. The method involves the woman herself looking at and feeling each breast for possible lumps, distortions or swelling.* For pre-menopausal women, the most commonly recommended time is just after the end of menstruation, because the breasts are least likely to be swollen and tender at this time.* For postmenopausal, women or these having irregular cycles might do a self-exam once a month regardless of their menstrual cycle.', 'role': 'assistant'}]