This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteoporosis, Sex Hormones and OCPs, Subject name: Pharmacology
[{'content': 'A patient Parul gives you the history that she has missed a single dose of her combined oral contraceptive pill. Which of the following will you advise her? \nSelect and explain. \nA. Continue with the course without regard to the missed dose, B. Take 2 pills the next day and continue with the course, C. Take 2 pills everyday for the remaining pa of the course, D. Discontinue the course and use alternative method of contraception', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * If a woman misses one pill of OCP, she should take 2 pills next day and then continue one pill a day as usual. * If the pills have been missed for 2-3 days, then the course should be stopped-->mechanical barriers (like condom) should be used and the next course should sta from next menstrual cycle.', 'role': 'assistant'}]