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:a) Postdatismb) Hydramniosc) Neonatal hyperglycemiad) ↑congenital defecte) PPH \nSelect and explain. \nA. bde, B. ade, C. ace, D. bce', 'role': 'user'}, {'content': 'Answer: A \nExplanation: As explained in the previous question maternal hyperglycaemia leads to fetal hyperglycaemia, which in turn causes polyuria and thus causes polyhydramnios.\n\n\nPolyhydramnios leads to preterm delivery and not post datism.\nExcessive uterine enlargement because of polyhydramnios and macrosomia causes increased incidence of atonic PPH.\n\n\nDiabetes leads to increased incidence of congenital defects in fetus.\nMaternal hyperglycemia → to fetal hyperglycemia → hyperinsulinemia → to neonatal hypoglycemia at birth.', 'role': 'assistant'}]