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Data from 11471 infertile patients who underwent FET cycles between January 2014 and October 2018 was retrospectively analyzed. The 1410 patients who met the inclusion criteria were further categorized into two groups based on the hatching procedure used: the thinning laser-assisted hatching group (T-LAH, 716 patients), and the drilling laser-assisted hatching group (D-LAH, 694 patients). The baseline characteristics of the patients were consistent between the two groups. However, the rates of implantation and clinical pregnancy were significantly higher in the T-LAH group compared to the D-LAH group (32.73% vs. 29.09%, <jats:italic>P<\/jats:italic> &lt; 0.01, and 50.98% vs. 43.95%, <jats:italic>P<\/jats:italic> &lt; 0.01). The proportion of live birth was also higher in the T-LAH group, but the difference was insignificant (39.11% vs. 36.89%, <jats:italic>P<\/jats:italic> &gt; 0.05). Moreover, there were no significant differences in rates of miscarriages, multiple pregnancies, ectopic pregnancies, preterm births, and congenital disabilities between the two groups. Nonetheless, significantly higher rates of implantation and pregnancy were reported in the T-LAH group compared to the D-LAH group among patients aged &lt;35 years, patients with at least one previously failed cycle, and patients with an endometrial thickness of 8\u201310 mm. T-LAH is superior to D-LAH in improving clinical implantation and pregnancy outcomes in D4 FET, particularly in patients aged &lt;35 years with at least one previously failed cycle or an endometrial thickness of 8\u201310 mm. The findings of this study provide theoretical support for clinical individualized diagnosis and treatment of patients with infertility.<\/jats:p>","DOI":"10.1007\/s10103-020-03230-9","type":"journal-article","created":{"date-parts":[[2021,1,14]],"date-time":"2021-01-14T06:15:29Z","timestamp":1610604929000},"page":"1-9","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["A comparison of the clinical effects of thinning and drilling on laser-assisted hatching"],"prefix":"10.1007","volume":"37","author":[{"given":"Yujiang","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuangqi","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiaying","family":"Liang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin","family":"Fan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dun","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiqian","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fenghua","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,1,13]]},"reference":[{"issue":"2","key":"3230_CR1","doi-asserted-by":"publisher","first-page":"221","DOI":"10.1007\/s10815-013-0141-8","volume":"31","author":"M Ferr\u00e9","year":"2014","unstructured":"Ferr\u00e9 M, Amati-Bonneau P, Morini\u00e8re C, Ferr\u00e9-L'H\u00f4tellier V, Lemerle S, Przyrowski D, Procaccio V, Descamps P, Reynier P, May-Panloup P (2014) Are zona pellucida genes involved in recurrent oocyte lysis observed during in vitro fertilization? 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