• sperm
  • This study will analyse the sperm global methylation status of 62 infertile men before assisted reproductive techniques. (clinicaltrials.gov)
  • The objective of this research is to determine the frequency of arisen the abnormalities of methylation at the level of the locus H19 in the sperm cells of barren men presenting an unexplained oligozoospermia and to determine if these changes are a reflection of abnormalities of the profiles of methylation of the whole genome. (clinicaltrials.gov)
  • those that decrease sperm motility such as sulfasalazine and nitrofurantoin Genetic abnormalities such as a Robertsonian translocation There is increasing evidence that the harmful products of tobacco smoking may damage the testicles and kill sperm, but their effect on male fertility is not clear. (wikipedia.org)
  • risk
  • 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)
  • Observation of these XXY males over 4 decades tends to confirm an increased risk for a wide range of learning disabilities, which are indistinguishable from those that may occur in the general population. (psychiatryadvisor.com)