This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis and Infertility, Subject name: Gynaecology & Obstetrics
Absent fructose content in the seminal fluid suggests: 
Select and explain. 
A. Congenital absence of seminal vesicle, B. Ejaculatory duct obstruction, C. None, D. Both
D: Both
Answer: D: Both 
Explanation: Ans. is d, i.e. BothFructose is added to seminal fluid, by seminal vesicle and hence would be absent in case of both congenital absence of seminal vesicle (seen in case of Congenital Bilateral Absence of Vas Deferens) and ejaculatory duct obstruction.