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Varicocele Repair Prior to Assisted Reproductive Technology: Patient Selection and Special Considerations

Authors Kohn JR, Haney NM, Nichols PE, Rodriguez KM, Kohn TP

Received 15 December 2019

Accepted for publication 21 February 2020

Published 28 April 2020 Volume 2020:12 Pages 149—156

DOI https://doi.org/10.2147/RRU.S198934

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Jan Colli


Jaden R Kohn,1 Nora M Haney,2 Paige E Nichols,3 Katherine M Rodriguez,2 Taylor P Kohn2

1Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA; 2The James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; 3Department of Urology, Mayo Clinic, Rochester, MN, USA

Correspondence: Taylor P Kohn
The James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street/Marburg 134, Baltimore, MD 21287, USA
Email tpkohn@jhmi.edu

Abstract: Clinical varicoceles are one of the most commonly identified physical exam abnormalities in men presenting with infertility. Clinical varicoceles can cause impaired spermatogenesis and surgical correction can improve semen parameters in select men. Increasingly, andrologists are performing varicocele repairs prior to intrauterine insemination (IUI), in vitro fertilization (IVF), and intracytoplasmic sperm injection (ICSI) to boost male fertility potential. In this review, we evaluated the available literature 1) to determine if varicocelectomy prior to IUI or assisted reproductive technologies proved to improve sperm production or pregnancy outcomes; and 2) to identify who may be the ideal candidate for pre-IUI/ART varicocelectomy. Overall, few studies have explored this topic and little can be concluded about the impact of varicocelectomy prior to IUI. The evidence, however, does support that correcting a clinical varicocele can increase pregnancy outcomes in couples who plan to pursue IVF or ICSI. When selecting patients for varicocelectomy prior to IUI or ART, clinicians should evaluate female age as improvement in semen parameters can take 6 months after varicocelectomy and this duration of time may be deleterious in cases of advanced maternal age when each cycle becomes increasingly important. Overall, the currently limited literature regarding clinical varicoceles correction demonstrates that pregnancy rates can be increased when comparing patients who have undergone varicocelectomy prior to ART with those who had clinical varicocele but did not undergo surgery.

Keywords: varicocele, varicocelectomy, sperm, intrauterine insemination, in vitro fertilization, intracytoplasmic sperm injection

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