Reply: Spermatogonia stem cell technology: a new avenue for all age Klinefelter patients

Sir, As the authors for the manuscript, ‘Age-related presence of spermatogonia in patients with Klinefelter syndrome: a systematic review and meta-analysis’, we would like to address the comments, from Winge and Almstrup’s letter (Winge and Almstrup, 2021). As correctly summarized by Winge and Almstrup, the primary endpoint of spermatogonial presence by binary age group was recalculated and found to be consistent with our original findings: that...