This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Gynaecology & Obstetrics
Incidence of cord prolapse is least in: 
Select and explain. 
A. Frank breech, B. Footling presentation, C. Transverse lie, D. Brow presentation
A: Frank breech
Answer: A: Frank breech 
Explanation: The incidence of cord prolapse in in flexed breech is 6% and in footling is 12%.In extended breech it is only 0.5% which is not much higher than in veex.(0.4%). Ref.pg.375 Sheila Textbook of Obstetrics 2nd edition.