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': 'Feature of diabetes mellitus in pregnancy \nSelect and explain. \nA. Postdatism, B. Hydramnios, C. Neonatal hyperglycemia, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is b i.e. Hydramnios As explained in the previous question maternal hyperglycaemia leads to fetal hyperglycaemia, which in turn causes polyuria and thus causes polyhydramnios. - Polyhydramnios leads to preterm delivery and not post datism. - Excessive uterine enlargement because of polyhydramnios and macrosomia causes increased incidence of atonic PPH. Diabetes leads to increased incidence of congenital defects in fetus. Maternal hyperglycemia to fetal hyperglycemia hyperinsulinemia -/ to neonatal hypoglycemia at bih.', 'role': 'assistant'}]