system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are risk factor for breast carcinoma except-
assistant
The correct answer is  First-degree relative with breast cancer Menstrual historyAge at menarche <12 yearsAge at menopause >55 years Other Possible Factors Exogenous estrogens Oral contraceptives Obesity High-fat diet Alcohol consumption Cigarette smoking ref : Robbins Basic Pathology, 9E,page-708 ref img