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': 'Neonatal polycythemia with hyperviscosity is associated with all except \nSelect and explain. \nA. Twin - Twin transfusion syndrome, B. Fetal microsomia in gestational diabetes, C. Fetal and placental growth restriction, D. Transfusion at delivery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fetal macrosomia in gestational diabetes is associated with neonatal polycythemia.', 'role': 'assistant'}]