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': 'In extra amniotic 2nd trimester medicolegal termination of pregnancy, which of the following is used:a)  Ethacrydine Lactateb) Prostaglandinc) Hypertonic salined) Glucose \nSelect and explain. \nA. ac, B. ab, C. ad, D. bc', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Methods of Medical Termination of Pregnancy\nFirst Trimester (Up to 12 Weeks)\nMedical\n\nMifepristone\nMifepristone and Misoprostol (PGE1)\nMethotrexate and Misoprostol\nTamoxifen and Misoprostol\n\nSurgical\n\nMenstrual regulation\nVacuum Aspiration (MVA/EVA)\nSuction evacuation and/or curettage\nDilatation and evacuation:\nRapid method\nSlow method\n\nSecond Trimester (13–20 Weeks)\n\nProstaglandins PGE1 (Misoprostol), 15 methyl PGF2a (Carboprost), PGE2 (Dinprostone) and their analogues (used-intravaginally, intramuscularly or intra-amniotically)\nDilation and evacuation (13–15 weeks)\nIntrauterine instillation of hyperosmotic solutions\nIntra-amniotic hypertonic urea (40%), saline (20%)\nExtra-amniotic—Ethacrydine lactate, Prostaglandins (PGE2, PGF2a)\nOxytocin infusion high dose used along with either of the above two methods\nHysterotomy (abdominal)— less commonly done', 'role': 'assistant'}]