{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T19:16:10Z","timestamp":1792610170350,"version":"4.5.0"},"reference-count":151,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2021,12,17]],"date-time":"2021-12-17T00:00:00Z","timestamp":1639699200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cells"],"abstract":"<jats:p>In assisted reproductive technology (ART), the aim of sperm cells\u2019 preparation is to select competent spermatozoa with the highest fertilization potential and in this context, the intracytoplasmic sperm injection (ICSI) represents the most applied technique for fertilization. This makes the process of identifying the perfect spermatozoa extremely important. A number of methods have now been developed to mimic some of the natural selection processes that exist in the female reproductive tract. Although many studies have been conducted to identify the election technique, many doubts and disagreements still remain. In this review, we will discuss all the sperm cell selection techniques currently available for ICSI, starting from the most basic methodologies and continuing with those techniques suitable for sperm cells with reduced motility. Furthermore, different techniques that exploit some sperm membrane characteristics and the most advanced strategy for sperm selection based on microfluidics, will be examined. Finally, a new sperm selection method based on a micro swim-up directly on the ICSI dish will be analyzed. Eventually, advantages and disadvantages of each technique will be debated, trying to draw reasonable conclusions on their efficacy in order to establish the gold standard method.<\/jats:p>","DOI":"10.3390\/cells10123566","type":"journal-article","created":{"date-parts":[[2021,12,19]],"date-time":"2021-12-19T20:41:55Z","timestamp":1639946515000},"page":"3566","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":104,"title":["Sperm Selection for ICSI: Do We Have a Winner?"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1433-504X","authenticated-orcid":false,"given":"Domenico","family":"Baldini","sequence":"first","affiliation":[{"name":"MOMO Fertilife\u2013IVF Center, 76011 Bisceglie, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2921-5999","authenticated-orcid":false,"given":"Daniele","family":"Ferri","sequence":"additional","affiliation":[{"name":"MOMO Fertilife\u2013IVF Center, 76011 Bisceglie, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giorgio Maria","family":"Baldini","sequence":"additional","affiliation":[{"name":"MOMO Fertilife\u2013IVF Center, 76011 Bisceglie, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dario","family":"Lot","sequence":"additional","affiliation":[{"name":"MOMO Fertilife\u2013IVF Center, 76011 Bisceglie, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Assunta","family":"Catino","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Bari, 70125 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Damiano","family":"Vizziello","sequence":"additional","affiliation":[{"name":"Department of Urology, Policlinico San Donato Milano, 20100 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giovanni","family":"Vizziello","sequence":"additional","affiliation":[{"name":"MOMO Fertilife\u2013IVF Center, 76011 Bisceglie, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"hox013","DOI":"10.1093\/hropen\/hox013","article-title":"Is there a reason to perform ICSI in the absence of male factor? 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