• Idiopathic
  • Age (see also: Paternal age effect) Genetic defects on the Y chromosome Y chromosome microdeletions Abnormal set of chromosomes Klinefelter syndrome Centriole Neoplasm, e.g. seminoma Idiopathic failure Cryptorchidism Trauma Hydrocele Mumps Malaria Testicular cancer Defects in USP26 in some cases Acrosomal defects affecting egg penetration Idiopathic oligospermia - unexplained sperm deficiencies account for 30% of male infertility. (wikipedia.org)
  • include
  • Factors relating to male infertility include: Antisperm antibodies (ASA) have been considered as infertility cause in around 10-30% of infertile couples. (wikipedia.org)
  • Risk factors for the formation of antisperm antibodies in men include the breakdown of the blood‑testis barrier, trauma and surgery, orchitis, varicocele, infections, prostatitis, testicular cancer, failure of immunosuppression and unprotected receptive anal or oral sex with men. (wikipedia.org)
  • Testicular factors refer to conditions where the testes produce sperm of low quantity and/or poor quality despite adequate hormonal support and include: Varicocele, is a condition of swollen testicle veins. (wikipedia.org)
  • It is likely that an effective evaluation for infertility would best include assessment for underlying celiac disease, both in men and women. (wikipedia.org)
  • quality
  • Male infertility is commonly due to deficiencies in the semen, and semen quality is used as a surrogate measure of male fecundity. (wikipedia.org)
  • In men, CD can reduce semen quality and cause immature secondary sex characteristics, hypogonadism and hyperprolactinaemia, which causes impotence and loss of libido. (wikipedia.org)
  • As men age there is a consistent decline in semen quality, and this decline appears to be due to DNA damage. (wikipedia.org)