This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
Large for date baby may be due to: 
Select and explain. 
A. Beckwith syndrome, B. Diabetic mother, C. Genetic predisposition, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Beckwith syndrome is charectorised by : macrosomia, macroglossia and omphalocele. cytogenic location is 11q15 and is associated with wilm's tumour of kidney. other risk factors which our likelihood of large fetus are : large size of parents multiparity prolonged gestation increased maternal age male fetus previous infant weighing more than 4kg race or ethnicity. ref:williams textbook of obstetrics, 23edition page 854