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
Elderly primi is above : 
Select and explain. 
A. 30 years, B. 35 years, C. 37 years, D. 45 years
A: 30 years
Answer: A: 30 years 
Explanation: 30 years