This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs in Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'All are Pharmacological methods of cervical ripening except? \nSelect and explain. \nA. Pge2, B. Pge1, C. Mifepristone, D. Transcervical Catheter', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pharmacological method Non pharmacological method 1. Dinoprostone gel (pge2) 1. Stripping of membrane 2. Misoprostol (pge1) 2. Mechanical dilators - Transcervical catheter and Osmotic dilators 3. Mifepristone 3.Extra-amniotic saline infusion During cervical ripening,Collagen fibril diameter and proteoglycan and glycosaminoglycan within the matrix is increased.', 'role': 'assistant'}]