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
Colposcopy is best performed during 
Select and explain. 
A. Proliferative phase, B. Secretory phase, C. Menstrual phase, D. Any day of cycle
A: Proliferative phase
Answer: A: Proliferative phase 
Explanation: Cervix is moist with mucus and external os is slightly patulous in proliferative phase and exposes squamocolumnar junction adequately.