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
What is the incidence rate of breech presentation at term? 
Select and explain. 
A. 1, B. 3, C. 7, D. 10
B: 3
Answer: B: 3 
Explanation: Breech is the commonest malpresentation. Incidence: 1 in 5 at 28th week, 5% at 34th week, 3% at term. Most common cause: prematurity Commonest position : laft sacro anterior Head is born by flexion Flexed breech is more common in multipara and extended breech is more common in primigravida Most common type of breech is extended.