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: Dental
Surgery of the cleft lip should be carried out at: 
Select and explain. 
A. 20 -30 weeks, B. 2 - 12 months, C. 3 - 6 months, D. 5 years
C: 3 - 6 months
Answer: C: 3 - 6 months 
Explanation: None