Is varicocele repair an effective treatment for male infertility?
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Varicocele repair probably does not improve pregnancy rates for men with a normal semen analysis (SOR: B, extrapolated from a meta-analysis). However, varicocele repair may improve pregnancy rates for men with an abnormal semen analysis (SOR: B, conflicting meta-analyses and a RCT).
Evidence Based Practice 16(7): 11-12.