From Longman Dictionary of Contemporary Englishsperm countsperm counta medical measurement of the number of sperm a man has, which shows if he is able to make a woman pregnant → sperm
Examples from the Corpus
sperm count• Strictly speaking, there is as yet no definitive evidence for declining sperm counts.• It makes an interesting contrast with another related health issue: falling sperm counts.• As it turned out, his sperm count appeared normal but his wife continued to fail to conceive.• For the vast majority of men, the reason for a low sperm count can not be explained.• The only thing Rob could think up as a possible Hank Camden failure was the likelihood of a low sperm count.• Although that may seem like plenty, low sperm counts often are warnings of problems with sperm function.• And one has to remember that sperm counts also show a natural seasonal variation.• Men are still able to father children into their seventies, though their sperm count is lower than in their youth. 