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: Gynaecology & Obstetrics
You suspect Ca cervix in one of your patients. Which of the following would be the earliest symptom of Ca cervix? 
Select and explain. 
A. Pain, B. Post coital bleed, C. Metrorrhagia, D. Menorrhagia
B: Post coital bleed
Answer: B: Post coital bleed 
Explanation: Post coital bleeding is the earliest symptom of Ca cervix. Vaginal bleeds in the form of menorrhagia or metrorrhagia may be the most common symptom. Pelvic pain is usually suggestive of advanced disease. Ref: Shaw's textbook of gynaecology, edition 13, Page - 387.