Retrograde ejaculation and male infertility

TR Aust and DI Lewis-Jones. “Retrograde ejaculation and male infertiliity”.  Hosp Med. 2004 Jun;65(6):361-4.

Abstract:

Incompetence of the internal urethral sphincter causes semen to pass into the bladder. Infertility can be successfully treated by restoring normal ejaculation or by sperm retrieval techniques.