This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Patient of rectovaginal fistula should be initially treated with: \nSelect and explain. \nA. Colostomy, B. Primary repair, C. Colporrhaphy, D. Anterior resection', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rectovaginal fistula is a communication between the epithelium linedQ surfaces of the rectum and the vagina.\nDiagnosis:\n• History of passing flatus, stool, mucus or blood per vagina.\n• Diagnosis is made usually with:\n– Speculum examination (P/S)\n– Anoscopy/Proctoscopy\n– Methylene blue enema\n• Endoanal ultrasound can determine the severity of trauma.\nClassification:', 'role': 'assistant'}]