Higher success rate by intracytoplasmic sperm injection than by subzonal insemination. Report of a second series of 300 consecutive treatment cycles.

@article{Steirteghem1993HigherSR,
  title={Higher success rate by intracytoplasmic sperm injection than by subzonal insemination. Report of a second series of 300 consecutive treatment cycles.},
  author={Andr{\'e} C. van Steirteghem and J Liu and Hubert Joris and Zsolt P{\'e}ter Nagy and C. Janssenswillen and Herman J. Tournaye and M. P. Derde and Elvire van Assche and Paul Devroey},
  journal={Human reproduction},
  year={1993},
  volume={8 7},
  pages={1055-60}
}
Subzonal insemination (SUZI) and intracytoplasmic sperm injection (ICSI) were carried out in 300 treatment cycles in couples unable to be helped by conventional in-vitro fertilization treatment. More oocytes were damaged by ICSI (13.5%) than by SUZI (7.1%). The normal fertilization rate was substantially higher after ICSI (51.0%) than after SUZI (14.3%) and was related to the semen characteristics. The cleavage rate was similar for both procedures (77%). After 217 embryo transfers (72.3% of the… CONTINUE READING
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