IMR Press / CEOG / Volume 36 / Issue 4 / pii/1630635890945-895726716

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 46 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Open Access Original Research
Pregnancy rates per embryo transfer (ET) may be improved by conventional oocyte insemination for male factor rather than intracytoplasmic sperm injection (ICSI)
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1 The University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School at Camden, Cooper Hospital/University Medical Center, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology & Infertility, Camden, NJ (USA)
Clin. Exp. Obstet. Gynecol. 2009, 36(4), 212–213;
Published: 10 December 2009
Abstract

Purpose: To determine if intracytoplasmic sperm injection (ICSI) for mild male factor may create embryos less likely to implant. Method: A retrospective analysis of pregnancy outcome following oocyte fertilization with ICSI vs conventional egg insemination was performed. Results: Though there were many less cases using conventional oocyte insemination compared to ICSI so that a meaningful comparison of outcome could not be made, the data could suggest the fertilization by ICSI might result in embryos less likely to implant. Conclusions: This pilot study should encourage IVF centers to consider conventional oocyte insemination for mild male factor instead of ICSI. Only by evaluating a larger series can it be determined with certainty that fertilization by ICSI may lower the implantation potential of the embryo that is formed.
Keywords
Intracytoplasmic sperm injection
Conventional oocyte insemination
Embryo implantation
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