average sperm count by age
Sperm Count. 40 million to 300 million is the normal range for the number of sperm per milliliter. Counts below 10 million are considered poor; counts of 20 million or more may be fine if motility and morphology are normal.ruger (strict) morphology test. Examines the shape and size of the sperm head. Normal results are when 14% or more of the sperm have normal shaped heads. Men with less than 4% of normal shaped sperm may have a significant infertility problem.