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
ln multiparous women, external os is i 
Select and explain. 
A. Circular, B. Longitudinal, C. Transverse, D. Septate
C: Transverse
Answer: C: Transverse 
Explanation: Transverse