This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Post menopausal bleeding, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of these is LEAST LIKELY to cause Post-Menopausal bleeding in a woman with uterine prolapse? \nSelect and explain. \nA. Bleeding disorder, B. Vaginal atrophy, C. Cancer Cervix, D. Decubitus ulcer on prolapse', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bleeding disorders are less likely to present in Post-Menopausal age group Senile vaginal atrophy may be associated with prolapse uterus and is a common cause of Post-Menopausal bleeding cervical malignancy is the most common cause of Post-Menopausal bleeding in India decubitus ulcers occuron the most dependent pa of prolapse and may cause bleeding', 'role': 'assistant'}]