This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infertility, Subject name: Gynaecology & Obstetrics
The technique used for aspiration of sperm directly from testes for in vitro feilization is 
Select and explain. 
A. TESA, B. MESA, C. GIFT, D. IVF
A: TESA
Answer: A: TESA 
Explanation: MESA and TESA are both techniques of sperm aspiration but since the question specifically asks about aspiration directly from the testes, TESA is the most appropriate answer here.Ref: Clinical Gynecologic Endocrinology and Infeility; 8th edition; Section IV; Infeility