Table 1.

Study details

+ signifies an increase in parameter as abstinence time increases

– signifies a decrease in parameter as abstinence time increases

“No change” signifies no significant difference in parameter with varying abstinence time

A gray box indicates that the specific parameter was not evaluated in the study

*For within-subject testing. Between-subject testing showed decreased motility and worsened morphology with increasing abstinence

**Increase in total number of viable sperm with increased abstinence

ǂStudies which demonstrated a reduction in sperm count with short abstinence