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                                        2004
                                        First ISO9001 credentials obtained for domestic fertility treatment CHA discovers genes implicated in primordial follicle development using a DNA chip CHA receives Prize Paper Award at the 60th Annual Meeting of the American Society for Reproductive Medicine 
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                                        2005
                                        CHA develops the technology for cryopreservation of oocytes using slush nitrogen for the first time in the world CHA receives Prize Paper Award at the 61st Annual Meeting of the American Society for Reproductive Medicine in joint conference with the 51st Annual Meeting of the Canadian Fertility and Andrology Society. 
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                                        2006
                                        CHA discovers a protein associated with recurrent pregnancy loss for the first time in the world Gumi CHA Women’s Hospital - Fertility Center opens 
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                                        2008
                                        Bundang CHA Women’s Hospital - Fertility Center opens CHA receives 2008 Medical Korea Grand Prize CHA is designated as a research-based specialized Fertility Center by the Ministry of Health and Welfare 
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                                        2009
                                        CHA establishes spermatogonial stem cells CHA receives Prize Paper Award in Male fertility at the 65th Annual Meeting of the American Society for Reproductive Medicine