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: Unknown
[{'content': 'During normal delivery, if you encounter shoulder dystocia, what is the next measure. \nSelect and explain. \nA. Hyperflexion of things on maternal abdomen, B. Cesarean section, C. Posterior shoulder rotation and delivery of impacted posterior arm, D. Anterior shoulder rotation and delivery of the posterior arm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref. The Short Textbook of Obstetrics. Page. 227\n\xa0\nManagement of shoulder dystocia –\n\nExtra help to be called (paediatrician and anesthetist to b informed )\nMc Roberts Maneuvre : Abduct the maternal thighs and sharply hyperflex them onto abdomen .\nWoods manoeuver: General anaesthesia is administered .The posterior shoulder is rotated to anterior position (180 degree ) by a corkscrew movement .\nExtraction of the posterior arm', 'role': 'assistant'}]