This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gestational Diabetes Mellitus, Subject name: Gynaecology & Obstetrics
Higher incidence of which of the following is seen in the infant of a diabetic mother 
Select and explain. 
A. Macrocytic anaemia, B. Hypercalcaemia, C. Hyperglycemia, D. Polycythemia
D: Polycythemia
Answer: D: Polycythemia 
Explanation: Effects of diabetes on the Newborn Congenital abnormalities Macrosomia Hypoglycemia Hypocalcemia Apnea and bradycardia Hyaline membrane disease Traumatic delivery Polycythemia Hyperbilirubinemia Cardiomyopathy