Low Stretching Ability of Human Oolemma during Piezo-ICSI as a Risk Factor on Post-injection Survival and Implantation

@inproceedings{Iwayama2010LowSA,
  title={Low Stretching Ability of Human Oolemma during Piezo-ICSI as a Risk Factor on Post-injection Survival and Implantation},
  author={Hiroshi Iwayama and Shinichi Hochi and Masanori Yamashita},
  year={2010}
}
The fate of human oocytes with impaired stretchability of the oolemma during piezo-ICSI was investigated in vitro (development into blastocysts in 5day culture) and in vivo (implantation 4 weeks after embryo transfer). Oolemma of metaphase-II human oocytes was penetrated either before application of a piezo-pulse at stretching of less than 75% of the diameter (category-Low), or by a piezo-pulse when the oolemma was stretched over 75% of the diameter (category-High). Following in vitro culture… CONTINUE READING

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