This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
Female newborn presents with vaginal bleeding , 4 days after bih, what is to be done? 
Select and explain. 
A. Wait and watch, B. Clotting Factor deficiency to be ruled out, C. Bleeding time to be done, D. Blood transfusion
B: Clotting Factor deficiency to be ruled out
Answer: B: Clotting Factor deficiency to be ruled out 
Explanation: Clotting factors deficiency may be reason for the bleeding in New Born . Reference: GHAI Essential pediatrics, 8th edition