The optimal time for intracytoplasmic sperm injection in the human is from 37 to 41 hours after administration of human chorionic gonadotropin

Dmitri Dozortsev, Peter Nagy, Soraya Abdelmassih, Flavio Oliveira, Amanda Brasil, Vicente Abdelmassih, Michael Diamond, Roger Abdelmassih

Research output: Contribution to journalArticle

30 Scopus citations


Fertilization rates increased continuously with the time elapsed after administration of hCG, reaching a peak of 84% when intracytoplasmic sperm injection (ICSI) was performed >41 hours after hCG administration. However, the highest implantation rate, 24%, was achieved when ICSI was performed 3741 hours after hCG administration.

Original languageEnglish (US)
Pages (from-to)1492-1496
Number of pages5
JournalFertility and sterility
Issue number6
StatePublished - Dec 1 2004
Externally publishedYes


ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology

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