“…Together with a fall in sperm production, an increase in plasma FSH was found to be linked to the reduction in testicular volume. The increase observed in FSH concentration and the alteration in spermatogenesis are in agreement with the findings of other authors (Franchimont et al, 1972;Stopelli and Dessole, 1982;Mikuz et al, 1985). In the group with bilateral hypotrophy, an increase in LH was also found.…”