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
Lanuago hair appeas at : 
Select and explain. 
A. 4 Months, B. 5 months, C. 6 months, D. 7 months
A: 4 Months
Answer: A: 4 Months 
Explanation: 4 months