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
Which of the following features if present in a woman is suggestive of the fact that she has been leading a sexually active life for sometime? 
Select and explain. 
A. Torn fourchette, B. Torn hymen, C. Disappearance of vaginal rugae, D. Exposed labia minora
C: Disappearance of vaginal rugae
Answer: C: Disappearance of vaginal rugae 
Explanation: Though all the features mentioned above are signs of defloration, disappearance of vaginal rugae willl occur only after repeated intercourese. The vaginal also grows in length after repeated intercourse. Ref: Textbook of Forensic Medicine and Toxicology by Narayan Reddy, Edition 21, Page 330