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The aim of our study was to compare slowly frozen and vitrified …

Biology Articles » Cryobiology » DNA integrity and motility of human spermatozoa after standard slow freezing versus cryoprotectant-free vitrification » Table

Table
- DNA integrity and motility of human spermatozoa after standard slow freezing versus cryoprotectant-free vitrification


Table I. Characteristics of fresh ejaculated and swim-up-prepared spermatozoa before cryopreservation

Concentration after ejaculation (x106l/ml) Morphology after ejaculation/liquefying (%) Motility after ejaculation/liquefying (%) Concentration after swim-up (x106/ml) Motility after swim-up without cryoprotectants (%) Motility after swim-up with cryoprotectants (%)
107.7 ± 10.9 10.7 ± 1.6 51.7 ± 6.1 44.8 ± 7.8 89.5 ± 7.1a 77.5 ± 8.9b

a,bThe differences between the parameters (motility after swim-up without cryoprotectants) and (motility after swim up with cryoprotectants) was significant (P 



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