Seminal quality can also be evaluated by studying the genetic content of spermatozoa. First, we can study DNA integrity, which is fundamental to obtain correct embryonic development. However, sometimes it is fragmented. The fragmentation test evaluates the percentage of fragmented spermatozoa in the ejaculate.
On the other hand, we can study if the sperm have a correct chromosomal content through the FISH study (5 pairs of chromosomes are evaluated) or Chromosperm (a general chromosomal profile is evaluated). An ejaculate with a high percentage of chromosomally altered sperm could generate a greater number of aneuploid embryos.
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