For men with low sperm counts, sexual abstinence -- but only for a day -- increases semen quality. More prolonged sexual abstinence may actually reduce sperm numbers, a new study indicates."After only two days of abstinence, sperm from patients with male factor infertility initiate a process of quality degradation,” Dr. Eliahu Levitas of Soroka University Medical Center in Beer-Sheva, Israel, and colleagues report.
