Medical sperm low fluid level

But sperm movement and shape may still lower fertility. It can be caused by:. Antibiotics are often given for full-blown infections. For example, a severe infection of the epididymis and testes may cause testicular shrinking and epididymal duct blockage. Your health care provider may use ICSI if you have very poor semen quality. A low sperm count is diagnosed as part of a semen analysis test.