This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hydatidiform Mole - Molar Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of the following is associated with hydatidiform mole - \nSelect and explain. \nA. Follicular cyst, B. Theca lutein cyst, C. Ovarian adenoma, D. Pseudocyst ovary', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' Theca lutein cyst (Ref. Chandrasoma Tylor, 3/e, p 765).Theca lutein cysts are multiple cysts occurring in patients with trophoblastic neoplasm that secrete human chorionic gonadotropin*.It occurs due to luteinization of follicles cells of the ovary by the HCG.It regresses spontaneously on the removal of tumour*.", 'role': 'assistant'}]