Basically there are no Symptoms of Oligospermia in some men, but the situation can be discovered when they are unable to conceive the pregnancy. Some men can have visible symptoms such as;
· Thick discharge
· Pain during urinating, because of infections
· Swollen and enlarged veins
· Sexual dysfunction like; low sex drive, the problem in maintaining the erection and premature ejaculation
· Reduction in the facial and body hair and other symptoms of chromosome and hormone abnormality
· dilated and testicular veins
Browse the link to avoid the risk of oligospermia.