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
The first macroscopic indication of morphologic development of primary incisors approximately at: 
Select and explain. 
A. 11 weeks in utero, B. 14 weeks in utero, C. 16 weeks in utero, D. 6 weeks in utero
A: 11 weeks in utero
Answer: A: 11 weeks in utero 
Explanation: None