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Effect of sperm selection using hyaluronan on fertilization and quality of cleavage-stage embryos in intracytoplasmic sperm injection (ICSI) cycles of couples with severe teratozoospermia


Effect of sperm selection using hyaluronan on fertilization and quality of cleavage-stage embryos in intracytoplasmic sperm injection (ICSI) cycles of couples with severe teratozoospermia



Gynecological endocrinology: the official journal of the International Society of Gynecological Endocrinology 36(5): 456-459



ISSN/ISBN: 0951-3590

PMID: 31657242

DOI: 10.1080/09513590.2019.1681960

This study aimed to evaluate the effect of hyaluronan-selected/physiological intracytoplasmic sperm injection (PICSI) on fertilization and quality of cleavage-stage embryos in infertile couples with ≤1% of spermatozoa with normal strict morphology (severe teratozoospermia). Seventy-seven couples underwent PICSI between October 2017 and December 2018 (PICSI group), while 75 couples underwent conventional intracytoplasmic sperm injection (ICSI) between January 2016 and September 2017 (ICSI group). Good quality embryos (GQEs) were evaluated based on morphology. Patient and cycle characteristics were comparable between the PICSI and ICSI groups, except for age and anti-Müllerian hormone (AMH) level (38.4 ± 3.9 years vs. 36.3 ± 4.3 years, p = .002 and 2.06 ± 1.99 ng/mL vs. 2.97 ± 3.25 ng/mL, p = .040). The fertilization rate per oocyte inseminated and GQE rate were significantly higher in the PICSI group than in the ICSI group (82.7% vs. 71.7%, p ˂ .001 and 52.8% vs. 34.0%, p ˂ .001). Furthermore, the absence of GQEs was found to be lower in the PICSI group (13.0% vs. 30.7%, p = .008). Multivariate analysis adjusted for age and AMH level identified PICSI as an unfavorable and independent factor for the absence of GQEs (adjusted odds ratio, 0.333; 95% confidence interval, 0.125-0.890). PICSI seems to be superior to ICSI in terms of fertilization and embryo quality in couples with severe teratozoospermia.

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Accession: 069456866

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