ArticleF&S reports2020
New device for sperm preparation involving migration-gravity sedimentation without centrifugation compared with density-gradient centrifugation for normozoospermic intrauterine insemination.
Article in F&S reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 7 citations in OpenAlex.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo investigate the efficacy of a new device for sperm preparation involving migration-gravity sedimentation without centrifugation (MIGLIS), compared with density-gradient centrifugation (DGC) for normozoospermic intrauterine insemination (IUI).
designRetrospective cohort study.
settingNot applicable. PATIENTS: A total of 10,318 cases of IUI (3,015 MIGLIS and 7,303 DGC) between October 2013 and September 2019.
interventionsNone.
main outcome measuresSperm analysis, subsequent pregnancy outcomes, and complications.
resultsMIGLIS was associated with a lower sperm recovery rate and fewer injected sperm compared with DGC. However, the overall pregnancy rates following MIGLIS and DGC were similar (MIGLIS 8.8%, DGC 9.3%). In a subanalysis according to age, the pregnancy rate was higher for MIGLIS among women 40-41 years of age (8.6% vs. 5.9%). Peritonitis was the only recorded complication, with similar frequencies in the MIGLIS and DGC groups (MIGLIS two cases, DGC four cases). No cases became severe, and all improved after antibiotic treatment. There were no cases of uterine cramping or pain symptoms.
conclusionsMIGLIS is a new sperm preparation method that does not require centrifugation. Its use was associated with pregnancy rates similar to those with DGC and a higher pregnancy rate in older women. MIGLIS is a novel sperm preparation method for selecting spermatozoa with high motility and good fertilization ability in patients undergoing IUI, in vitro fertilization, and intracytoplasmic sperm injection.
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