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': 'A patient with amenorrhea had bleeding after giving a trial of progesterone. This implies : \nSelect and explain. \nA. Sufficient estrogen, B. Intact pituitary axis, C. Normal ovarian function and Intact endometrium both, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is a, b and c i.e. Sufficient estrogen; Normal ovarian function; Intact endometrium; and Intact pituitary axis Note : Friends it is quite difficult to understand the above cha in one go, you will have to go through it 3 - 4 times to understand it well. Also revise the various compaments of menstruation from Q.No. 3 for better and complete understanding.', 'role': 'assistant'}]