Prior surgeries
Certain surgeries such as vasectomy, inguinal hernia repairs, scrotal or testicular surgeries, prostate surgeries, and large abdominal surgeries performed for testicular and rectal cancers might prevent you from having sperm in your ejaculate. In most cases, surgery can be performed to either reverse these blockages or to retrieve sperm directly from the epididymis and testicles.
Environmental causes
Sperm production or function can be affected by overexposure to certain environmental elements, including: Industrial chemicals Extended exposure to benzenes, toluene, xylene, herbicides, pesticides, organic solvents, painting materials and lead might contribute to low sperm count.
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