This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cleft Lip & Palate, Subject name: Surgery
What is the best time to operate cleft lip? 
Select and explain. 
A. Immediately after birth, B. 1 to 3 months, C. 3 months to 6 months, D. 6 months to 1 year
C: 3 months to 6 months
Answer: C: 3 months to 6 months 
Explanation: Ans. is 'c' i.e., 3 months to 6 months Timing of repair of cleft lipo According to CSDT-Follow the 'Rule of Ten' i.e. Surgery is done after 10 wks of age weight 10 lb (4.5 kg) hemoglobin 10g/dlo According to Schwartz - at 3 to 6 months of ageo According to Sabiston - at 3 months of ageo According to Bailey - between 4 to 6 months of age