Clomiphene or tamoxifen for idiopathic oligo/asthenospermia

BACKGROUND: Oligo-astheno-teratospermia (sperm of low concentration, reduced motility and increased abnormal morphology) of unknown cause is common and the need for treatment is felt by patients and doctors alike. As a result, a variety of empirical, non-specific treatments have been used in an attempt to improve semen characteristics and fertility. The administration of anti-oestrogens is a common treatment because anti oestrogens interfere …