This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Alopecia, Subject name: Skin
A 23 years old female patient presented with sever diffuse hair fall for last 1 month. She had a major accident with severe blood loss 5months back for which she had to be hospitalized for 1 month. She is very anxious that all her hair will fall. Most likely diagnosis is? 
Select and explain. 
A. Alopecia aerate, B. Telogen effluvium, C. Anagen effluvium, D. Androgenetic alopecia
B: Telogen effluvium
Answer: B: Telogen effluvium 
Explanation: Ans. is 'b' i.e., Telogen effluvium Points in favor arei) Diffuse hair fallii) History of accident with blood loss (stress)iii) Hair loss after 5 months of accident