This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vomiting in pregnancy, Subject name: Gynaecology & Obstetrics
All are complications of hyperemesis gravidarum, EXCEPT? 
Select and explain. 
A. Mallory weiss tears, B. Wernickes encephalopathy, C. Renal Failure, D. Hiatus hernia
D: Hiatus hernia
Answer: D: Hiatus hernia 
Explanation: Complications of hyperemesis gravidarum are: Neurological Others Wernickes encephalopathy Gastric ulcers Korsakoff psychosis Mallory Weiss tears Retinal hemorrhages Liver damage Pontine myelinosis Renal failure Convulsions Coagulopathy Coma