This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: The Amnion and Umbilical Cord, Subject name: Gynaecology & Obstetrics
Length of umbilical cord is? 
Select and explain. 
A. 40-50 cms, B. 60- 120 cms, C. 30-100 cms, D. 25-40 cms
C: 30-100 cms
Answer: C: 30-100 cms 
Explanation: ANSWER: (C) 30-100 cmsREF: Dutta 6th ed p. 40The normal length of umblical cord is around 50cms with usual variation between 30-100 cms