This is a randomized controlled trial to evaluate the effect of ramipril in stimulating and
promoting sperm production in men with low sperm count. Ramipril is an Angiotensin Converting
Enzyme Inhibitor (ACEI) currently used to treat high blood pressure. However, previous
studies have shown that this class of medications can improve sperm parameters. The purpose
of this study is to evaluate the efficacy of ramipril compared to placebo (Substance That is
not known to have treatment effect), in improving sperm density in infertile men with
documented low sperm count. This study will help us identify subjects that might benefit from
treatment with this medication, and the effect it will have on sperm count, shape, and
motility.