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Post-Testicular Infertility
Post-Testicular
Factors that affect the ability of the sperm to travel from the site of production (testicle) to leave the body in the ejaculate
Examples: hernia repair, absent vas deferens, ejaculatory duct abnormalities, vasectomy, genital tract infection, genetic factors, retrograde ejaculation, erectile dysfunction
- Genetic diseases: Cystic fibrosis, an inherited condition that typically involves the lungs and pancreas, but can present also as a cause of infertility with or without mild sinus problems; 6 to 10 percent of men with obstructive azoospermia have congenital bilateral absence of the vas deferens (CBAVD), which means they were born without the vas deferens; of these, over 70 percent may have cystic fibrosis or carry a mutation in the cystic fibrosis gene.
Male Reproductive Medicine and Surgery Program
See a Stanford specialist to learn about your treatment options. Visit our clinic to make an appointment.
