IMR Press / CEOG / Volume 37 / Issue 4 / pii/1630630917865-160064695

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 following calcium ionophore oocyte activation in an oligozoospermia patient with repeated failure of fertilization after ICSI
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1 Department of Obstetrics and Gynecology, Niigata Workmen’s Accident Hospital, Joetsu City (Japan)
Clin. Exp. Obstet. Gynecol. 2010, 37(4), 261–262;
Published: 10 December 2010
Abstract

A successful pregnancy outcome after calcium ionophore A23187 oocyte activation in an infertile couple with a repeated failure of achieving fertilization after ICSI is reported. The secondary infertility couple with oligozoospermia underwent ICSI two times. However, none of the oocytes were fertilized. In the third ICSI attempt, three oocytes after ICSI were activated using calcium ionophore for five minutes. Two of three oocytes thus became fertilized. A successful pregnancy outcome was thereafter achieved with the delivery of a healthy infant without congenital abnormalities. Oocyte activation using calcium ionophore was thus found to be a useful method in a case of repeated failure of fertilization after ICSI.
Keywords
Repeated fertilization failure
ICSI
Oocyte activation
Calcium ionophore
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