Absence of fructose in the semen suggests:
Congenital absence of seminal vesicle
Paial duct obstruction
None
Both
Absence of fructose suggests congenital absence of seminal vesicle or paial obstructio of the ductal system or both. D.C.DUTTA'S TEXTBOOK OF GYNECOLOGY,Pg no:250,6th edition
Infertility