I see. I think that the endocrinologist has probably already (in her head) weighed the risk of increased risk of heart attack/stroke/blood clots versus taking birth control pills. Given your age and the weight, you might want to target as a lifestyle prevention tool to prevent heart attack ... weight loss would be healthy for you.
However, you need to know that BC pills can increase weight, blood pressure and cholesterol. (source:
http://www.mayoclinic.com/print/birth-cont
rol-pill/WO00098/METHOD=print)
But cycle-related symptoms, including functional cysts, dysmenorrhea, chronic pelvic pain, and ovulation pain (mittelschmerz), generally improve with the use of oral contraceptives. Birth control pills can help prevent new cysts. Women with polycystic ovary syndrome note improvement in bleeding patterns and a reduction in acne and hirsutism.
So taking all of these into account, you'll have to make a decision with your endocrinologist. Have you consulted with her/him again?