This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Use of oral contraceptives increases the risk of which cancer - \nSelect and explain. \nA. Colon, B. Ovary, C. Breast, D. All of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., breast * Important adverse effects of OCPs are: (1) Nausea, vomiting, headache (worsening of migraine), (2) breakthrough bleeding, (3) mastalgia, (4) weight gain, (5) acne and hirsutism, (6) cholasma and pruritis, (7) carbohydrate intolerance, (8) leg vein and pulmonary thrombosis, (9) coronary and cerebral thrombosis (MI & stroke), (10) hypertension, (11) increased risk of breast and cervical carcinoma, (12) benign hepatoma, (13) gall stones, (14) precipitation of acute intermittent porphyria.", 'role': 'assistant'}]