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: Forensic Medicine
Gas in great vessels of foetus indicate- 
Select and explain. 
A. Fetal distress, B. Post mature fetus, C. Fetal death, D. Premature fetus
C: Fetal death
Answer: C: Fetal death 
Explanation: Gas in great vessels and chambers of heart ( Robert's sign) is seen in maceration, which is a sign of dead born.