This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis & H, Subject name: Gynaecology & Obstetrics
[{'content': 'Hormone Replacement Therapy is contraindicated in menopausal women in all of these EXCEPT? \nSelect and explain. \nA. Vaginal atrophy, B. Ca breast, C. Ca endometrium, D. Undiagnosed Vaginal bleeding', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Contraindications to hormone therapy use include Undiagnosed vaginal bleeding H/o Breast cancer H/O Endometrial Cancer Liver Dysfunction Thromboembolic Disease Fibroids Porphyria Indications of H include: vasomotor symptoms (hot flushes), urogenital atrophy ( includes vaginal atrophy), prevention and treatment of osteoporosis, premature ovarian failure', 'role': 'assistant'}]