On October 23rd, 2014, we updated our
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Have frequent intercourse—Increases output of non-senile spermatozoa
avoid hot baths—Heat suppresses spermatogenesis
Avoid pesticides, herbicides, heat, and radiation at work—All impair spermatogenesis
What doesn't work
Abstaining from coitus until ovulation does not improve the semen or likelihood of conception.
Pregnancy, the most relevant outcome parameter of fertility, was reported in only a few studies
no clear benefit of using any medication in these patients.
Moreover, androgens should not be used because they may actually suppress spermatogenesis
Varicoceles occur in 15% of men in general and in 30% of subfertile men. Varicoceles probably impair spermatogenesis by increasing the temperature in the scrotum.
no evidence that treatment of varicoceles in men from couples with otherwise unexplained subfertility improves the couple's chance of conception. (Evers et al, 2009)
Improve pregnancy rate?
Should be repeated ?? 6 times
Data from the literature suggest that gonadotropin treatment of male infertility can lead to a significant increase in pregnancy rates, however larger studies are needed to confirm such findings (Attia et al, 2008)
reproductive medicine seems to be promising
If duration of marriage more than 3 years
If woman above 35 years old
If IUI failed more than 4 times (Clinical Evidence, 2008)