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
Patient of rectovaginal fistula should be initially treated with: 
Select and explain. 
A. Colostomy, B. Primary repair, C. Colporrhaphy, D. Anterior resection
A: Colostomy
Answer: A: Colostomy 
Explanation: Rectovaginal fistula is a communication between the epithelium linedQ surfaces of the rectum and the vagina.
Diagnosis:
• History of passing flatus, stool, mucus or blood per vagina.
• Diagnosis is made usually with:
– Speculum examination (P/S)
– Anoscopy/Proctoscopy
– Methylene blue enema
• Endoanal ultrasound can determine the severity of trauma.
Classification: