Genetic abnormalities are an important but often overlooked cause of male infertility. These may involve chromosomal abnormalities, gene mutations, or deletions affecting sperm erotic production.
One common condition is Klinefelter syndrome, characterized by an extra X chromosome (47,XXY). This condition often results in reduced testosterone levels and impaired spermatogenesis.
Y-chromosome microdeletions are another significant cause, affecting genes essential for sperm production. These deletions are often identified through genetic testing in men with severe infertility.
Cystic fibrosis gene mutations can lead to congenital absence of the vas deferens, preventing sperm transport.
Genetic testing is recommended in cases of unexplained infertility, particularly when sperm counts are extremely low.
While genetic causes may not always be treatable, assisted reproductive technologies provide options for achieving parenthood.
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