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KMID : 1189220090360040248
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Korean Journal of Reproductive Medicine
2009 Volume.36 No. 4 p.248 ~ p.253
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A Prospective Comparison of Fertilizability of in vitro Matured Human Oocytes Obtained from Stimulated Cycle: Conventional Versus ICSI
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Jee Byung-Chul
Kim Seok-Hyun
Moon Shin-Yong
An So-Jung
Moon Jeong-Hee
Suh Chang-Suk
Hwang Eun-Ju
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Abstract
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Objectives : The aim of this study was to compare the fertilization and cleavage rates of human in vitro matured oocytes after fertilized by conventional in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI)
Method : A total of 135 GV stage oocytes were obtained from 59 women who received ovarian stimulation and IVF during Jan 2007 to Oct 2008. Ovarian hyperstimulation was performed using hMG or recombinant FSH with GnRH antagonist and then ovulation triggered by recombinant hCG. The immature oocytes obtained from stimulation cycles were cultured in IVM medium up to 48 hrs; commercial medium supplemented with rFSH 75 mIU/mL, rhCG 0.5 IU/mL and rEGF 10 ng/mL. The in vitro matured oocytes were fertilized by conventional IVF (41 GV oocytes) or ICSI method (94 GV oocytes)
Result : Maturation rate were 51.2% and 59.6% in conventional IVF group and ICSI group, respectively. There was no significant difference in fertilization rates between two groups; 71.4% and 80.4%, respectively. The cleavage rate was also similar in two groups.
Conclusion : The presented data suggest that conventional IVF has comparable fertilization and cleavage potential compared with ICSI as the insemination method of immature human oocytes obtained from stimulated cycle
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