Abstract
Testicular biopsies of 142 oligozoospermic men were used to obtain a testicular biopsy score count. These scores were clearly related to the chance of fertility, in contra-distinction to data on hormone concentrations and from analysis of semen. In 36 patients with a score of 9-10 there were 15 pregnancies; in 59 patients with a score of 8-9, 12; and in 47 patients with scores below 8 there was only one successful pregnancy, though this last group also contained an additional three patients whose wives' pregnancies ended in miscarriages. Rating of testicular biopsies is more useful for proper evaluation of oligozoospermic patients than are data on hormone concentrations and from semen analysis. Proper evaluation of new treatments should be based on trials where experimental and control groups are matched on these ratings.
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