This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breasts and Lactation, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of the following is the cause of amenorrhoea in a lactating mother: \nSelect and explain. \nA. Increased release of LH, B. Increased GnRH secretion, C. Hyperestrogenic state, D. Increased prolactin level', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Increased prolactin levelRef.: D.C. Dutta 8th ed. /171, 614; 6th/148Breast feeding increases the levels of prolactin which lead to the following consequences:* Reduced ovarian response to FSH leading to hypo- estrogenic stateQ* Suppression of LH release thereby preventing LH surge and inhibiting ovulationQ* Reduces GnRH secretion', 'role': 'assistant'}]