100% immotile sperm

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Androlog Mail:

> For a man with 100% immotile sperm in the ejaculate, of which 10% are live,
> are pregnancy rates better with ICSI ( after selecting live sperm with a
> hypo-osmotic swelling test); or is it better to offer TESE-ICSI ( ICSI with
> testicular sperm extraction )?
> Dr Malpani, MD

We have not looked at a comparison, but if the sperm density is
sufficient, it is certainly less invasive to use sperm from the
ejaculate. TESE-derived sperm in several series seem to give a slightly
lower fertilization rate.

Larry Lipshultz
larryl@bcm.tmc.edu

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