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
[{'content': 'Least chances of cord prolapse are seen in? \nSelect and explain. \nA. Frank breech, B. Complete breech, C. Footling, D. Knee', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Frank breech REF: Dutta obs 6the p. 399 Cord prolapse occurs more commonly in flexed or complete breech or in case of footling presentation because engagement in both cases occur late where as in frank breech the chances are less because engagement occurs early Factors associated with cord prolapse Malpresentations - commonest with transverse breech In second twin Prematurity Contracted pelvis Iatrogenic Hydramnios with ruptured membrane Placenta pre, battle door placenta, long cord etc.', 'role': 'assistant'}]