This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intra Uterine Growth Restriction, Intrapaum and Antepaum Fetal Surviellance, Subject name: Gynaecology & Obstetrics
All are the causes of intra-uterine growth restriction, EXCEPT: 
Select and explain. 
A. Anaemia, B. Pregnancy-induced hypeension, C. Maternal hea disease, D. Gestational diabetes
D: Gestational diabetes
Answer: D: Gestational diabetes 
Explanation: Gestational diabetes is associated with maternal and hence foetal hyperglycaemia, which, in turn, leads to excessive deposition of adipose tissue in the foetus causing macrosomia.