Ultra-Rapid Freezing and Rapid Freezing Methods in Clinical ICSI Program: Effects on Sperm Biological Characteristics, DNA Methylation Stability, DNA Methyltransferase Activity, and Embryo Morphokinetics

Table 1

The evaluation of spermatozoa parameters before semen processing.

Parameters	Mean ± SD
Concentration (×10^6 cell/ml)	89.75 ± 5.08
Rapidly progressive (%)	44.01 ± 4.20
Slowly progressive (%)	18.08 ± 2.01
Nonprogressive (%)	14.03 ± 3.01
Immotile (%)	23.88 ± 2.91
Normal morphology (%)	6.75 ± 1.08
Viability (%)	79.11 ± 5.02
MMP (%)	72.11 ± 4.66
AR (%)	24.44 ± 2.11

Note. MMP, mitochondrial membrane potential; AR, acrosome reaction.