Objective: To compare semen parameters and intracytoplasmic sperm injection (ICSI) outcome in spinal cord-injured subjects who underwent single (group 1) or multiple (group 2) electroejaculations before ICSI.
Design: Prospective, randomized, controlled study.
Setting: Department of gynecology, obstetrics, and pediatric science in a reproductive medicine unit at a major Italian university.
Patient(s): Thirty-four healthy women with a male partner with SCI who were seeking assisted reproduction services.
Intervention(s): Transrectal electroejaculation, controlled ovarian hyperstimulation, and ICSI.
Main Outcome Measure(s): Sperm concentration, morphology, and motility and fertilization and pregnancy rates after ICSI.
Result(s): Sperm was successfully retrieved in 94.1% of cases. In male subjects who underwent multiple electroejaculations, statistically significant improvements in sperm concentration and total sperm motility rate were observed. The overall fertilization rate was 63.6%. The number of oocytes retrieved and injected was comparable between the two groups. A total of nine clinical pregnancies were achieved. The pregnancy rate was statistically significantly higher in group 2 (n = 6/16; 37.5%) than in group 1 (n = 3/16; 18.75%).
Conclusion(s): These data suggest that multiple electroejaculation has a positive effect on semen parameters and ICSI outcome.
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