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
14 year old girl presented with vaginal bleeding with occasional amenorrhea, next step is : 
Select and explain. 
A. BT, CT, B. Clinical history and examination, C. Ultrasound, D. TLC, DLC ESR
B: Clinical history and examination
Answer: B: Clinical history and examination 
Explanation: Clinical history and examination