Is A Simple Sperm Analysis All We Need?

摘要

Frequency and Challenge of Male InfertilityAlthough diagnostic problems make it difficult to establish the extent of the male partner's contribution with certainty, a number of studies suggest that male problems represent the most common single defined cause of infertility. Male-related disorders are probably present in up to 40-50% of childless couples, alone or in combination with female factors (Centers for Disease Control, 1997: Irvine, 1998).