Academic Publishing & Presentation
1. Chromosomal abnormality according to the morphology of human preimplantation embryos. (Kor J Fertil Steril 23: 121-128, 1996.)
2. Efficacy of intracytoplasmic sperm injection in polycystic ovarian syndrome and severe endometriosis infertility patient. (Kor J Fertil Steril 23: 137-143, 1996.)
3. Analysis of SRY and ZP3 gene in single blastomere of preimplantation human embryos using polymerase chain reaction. (Kor J Fertil Steril 23: 201-206, 1996.)
4. Molecular genetic analysis of microdeletions in Y chromosome from Korean male infertility patients. (Kor J Fertil Steril 23: 367-377, 1996.)
5. A case of pregnancy and delivery by round spermatid injection in nonobstructive azoospermia patient. (Kor J Fertil Steril 23: 327-331, 1996.)
6. Acceleration of early embryonic development by induction of acrosome reaction in intracyoplasmic sperm injection. (Kor J Fertil Steril 24: 311-318, 1997.)
7. Induction of acrosome reaction in spermatozoa accelerates the time of pronucleus formation of oocytes after intracytoplasmic sperm injection. (Fertil Steril 67: 315-320, 1997.)
8. The supplementation of culture medium with protease improves the hatching rate of mouse embryos. (Hum Reprod 12; 2493-2498, 1997.)
9. Expression of DAZ (deletion in azoospermia), DAZL1 (DAZ-like) and protamine-2 in testis and its application for diagnosis of spermatogenesis in non-obstructive azoospermia. (Mol Hum Reprod 4: 827-834, 1998.)
10. A new simple assisted hatching technique. (Assisted Reprodution Review 8: 188-195, 1998.)
11. Biochemical-assisted atching. Fertility and Reproductive Medicine, (International congress series 1183, Elsevier Science B.V. press 4-9 October, p637-648, 1998.)
12. Regulation of compaction by synthesis and phosphorylation of protein in preimplantation mouse embryo. (Dev Reprod 3: 75-85, 1999.)
13. Genomic activation and compaction in implantation mouse embryos are regulated by the cytoplasmic regulatory factor in a concentration-dependent manner. (Mol. Reprod. Dev. submitted.)
14. Effect of Vasoactive Intestinal Peptide on Human Fetal Ovarian Expressionof Follicle Stimulating Hormone Receptor Gene and Secretion of Estradiol in vitro. (J. Clin. Endocrinol. Metab. submitted.)
15. Ovarian Expression of Melatonin Mel1a Receptor mRNA during Mouse Development. (Mol. Reprod. Dev. submitted.)
16. Successful pregnancy outcome using in vitro matured frozen-thawed embryo from unstimulated PCO patient.
17. Biochemical assisted hatching(BAH) increased the implantation and pregnancy rate in human cryopreserved embryo transfer.
18. IVF-ET program using immature oocytes from unstimulated cycle in PCO and normal menstrual cyclic.
19. Routine use of diagnostic hysteroscopy increases the detection rate of endometrial polyps in endometriosis.(The 19th Asian and Oceanic Congress of Obstetrics & Gynecology, 2005) 
HJ Jeong, MH Kim, EK Chun, KH Chang, SI Roh.
20. Clinical result of human embryo cryopreservation using choline.based vitrification solution and cryo-loop. (Annual meeting of the Korean Society of Fertility and Sterility, 2005) 
HJ Chi, JO Lee, JS Ryu, MH Kim, HJ Chung, EK Chun, JJ Koo
21. A case of ovarian pregnancy after ART (Annual meeting of the Korean Society of Fertility and Sterility, 2005) HJ Jeong
22. Severe OHSS can be prevented in GnRH antagonist protocol with GnRH agonist for ovulation triggering (Annual Meeting of the American Society for Reproductive Medicine, ASRM, 2005) 
EK Chun, HJ Jeong, MH Kim, SI Roh.
23. The effect of antioxidants used in sperm collected or sperm cleansing culture on human sperm’s functional parameter (Functional parameter)에 미치는 효과 (Annual Meeting of the Korean Society of Fertility and Sterility, 2006) 
HJ Chi, JS Ryu, JY Lee, SM Kang, JS Park, DY Chung, MH Kim, EK Chun, KS Han, SI Roh
24. Characteristic of semen collected from male infertility patient and correlation of seminal parameter and human sperm DNA damage measured by Comet assay. (Annual Meeting of the Korean Society of Fertility and Sterility, 2006)
DY Chung, JS Park, HJ Chi, JW Kim, HE Ryu, JH Kim, JS Lee, SH Lee, C Park, SI Roh
25. The early study on usability of Comet assay that measures the Human sperm DNA integrity while performing assisted reproductive technology (The Korean Urological Association , 2006)
JH Kim, JS Lee, KS Kim, SH Lee, C Park, JS Park, HJ Chi
26. Impact of laparoscopic endometrioma enucleation on ovarian reserve compared to contralateral intact ovary during in-vitro fertilization cycles (Annual Meeting of the American Society for Reproductive Medicine, ASRM, 2006)
Myunghee Kim, Eunkyung Chun, Kukseon Han, Heejun Chi.
27. Protective effect of antioxidants supplemented into sperm-preparation medium against oxidative stress in human spermatozoa. (Annual meeting of the European Society of Human Reproduction and Embryology, ESHRE, 2007)
HJ Chi, JH Kim, JS Ryu, JY Lee, JS Park, DY Chung, SY Choi, MH Kim, EK Chun and SI Rho
28. What is a more effective protocol between conventional IVF and ICSI to fertilize oocytes with the sperm that shows strict morphology score (SMS) 4-14% (Annual Meeting of the American Society for Reproductive Medicine, ASRM, 2007)
Sooman Kang, Chungsoon Ryu, Jiyoun Lee, Yoonju Seo, Sungil Roh, Heejun Chi
29. Effect of microsurgical approach of varicoselectomy in DNA integrity of human sperm (The Korean Urological Association, 2007)
JH Kim, JS Lee, KY Kim, JS Park, HJ Chi
30. Correlation between DNA damage in sperm by semen parameters and comet assay in male infertility (The Korean Urological Association, 2007) JS Lee, KY Kim, JH Kim
31. Protective effect of antioxidant supplementation in sperm-preparation medium against oxidative stress in human spermatozoa. (Human Reproduction Vol.23, No.5 pp. 1023-1028, 2008) 
HJ Chi, JH Kim, CS Ryu, JY Lee, JS Park, DY Chung, SY Choi, MH Kim, EK Chun and SI Roh
32. Human sperm DNA integrity assessed by single cell microgel electrophoresis (Comet assay) and its relationship to semen parameters and clinical outcome in IVF program (Annual Meeting of the American Society for Reproductive Medicine, ASRM, 2008)
Chung DY. Lee JY. Min SH. Choi SY. Park C. Chi HJ
33. Early microsurgical removal of fragments can support the subsequent development of the fragmented human embryos by inhibiting the generation of new fragments (Annual Meeting of the American Society for Reproductive Medicine, ASRM, 2008)
Chi HJ. Koo JJ. Lee JO. Lee JY. Min SH. Park C.
34. Causes and Prevention of multi-fetal pregnancy in ART (Annual meeting of the Korean Society of ART, 2008)
이희선
35. Midtrimester amniocentesis for prenatal diagnosis (J Genet Med 5:131-135, 2008)
SR Kim, EJ Choi, TY Kim, KH Kwon, NH Song, SK Oh, HJ Chi
36. Standardization of terminology and records in human IVF-ET program of Korea (Korean J Reprod Med 35(2):89-98, 2008).
JH Chun, DR Lee, DW Park, HJ Chi, SH Yoon, IS Kang, KS Lee, YM Choi
37. Oocyte assessment (Annual meeting of the Korean Society for Reproductive Medicine, Nov. 2008)
HJ Chi
38. Embryo assessment in IVF (Annual meeting of the Korean Society for ART, Feb. 2009)
HJ Chi
39. A randomized controlled study for vitrification of cleavage-stage mouse embryos processed by two different methods: DMSO+EG or PROH+EG based method (Annual Meeting of the ASRM, 2009)
HE Ryu, SH Min, CY Park, HS Lee, HJ Chi
40. Selection of the top quality embryos for embryo transfer. (Annual meeting of the Korean Society for Reproductive Medicine, Nov. 2009)
HJ Chi
41. HJ Chi. Necrotic cell death and fragmentation of human embryo. Annual meeting of the Korean Society for Reproductive Medicine, Seoul, Korea, November, 2009. (Winner Prize-Poster).
42. HJ Chi. Cryopreservation of sperm. Annual meeting of the Korean Society for Reproductive Medicine, Seoul, Korea, May 2010.
43. CS Ryu, SM Kang, DJ Chung, SI Roh, HJ Chi. Early embryo cleavage at 25-27h post insemination/ICSI is a good indicator of pregnancy in IVF-ET cycles. Annual meeting of the American Society for Reproductive Medicine (ASRM), Colorado, Denver, USA, 2010.
44. HJ Chi, HJ Son, KW Cheon, JH Kim, GY Kim, SI Roh. Effect of Genistein administration in the chemically impaired rat testis. Annual meeting of the Korean Society for Reproductive Medicine, Seoul, Korea, November, 2010.
45. HJ Chi, SY Choi, DY Chung. Differentiation of human embryonic stem cells into germ cell and culture condition for single embryonic stem cells dissociated by enzyme. Korean J Reprod Med. 2010; 37(1):13-23 - Prize paper
46. GY Kim, JS Lee, HJ Chi, JH Kim. Effect of microsurgical varicocelectomy on human sperm nucleus DNA integrity. Korean J Reprod Med 2010; 37(3):245-251.- Prize paper
47. HJ Chi, JJ Koo, JO Lee, HE Ryu, KR Kim, C Park, SI Roh. Effect of fragment removal on developmental of human fragmented embryos in IVF-ET program. Korean J Reprod Med 2010; 37:339-48
48. HJ Chi, DY Chung, SY Choi, JH Kim, GY Kim, JS Lee, HS Lee, MH Kim, SI Roh.. The integrity of human sperm DNA assessed using the neutral comet assay and its relationship to semen parameters and clinical outcomes for the IVF-ET program. Clin Exp Reprod Med 2011;38:10-7.
49. HJ Chi, JJ Koo, SY Choi, HJ Chung, SI Roh. Fragmentation of embryos is associated with both necrosis and apoptosis. Fertil Steril 2011;96:187-92.
50. HJ Chi, KW Chun, HJ Son, JH Kim, GY Kim, SI Roh. Effect of genistein administration on the recovery of spermatogenesis in the busulfan-treated rat testis. Clin Exp Reprod Med 2013;40(2):60-66.
51. HJ Kim, JH Kim, JY Kim, DJ Chung, NY Kim, MJ Kim, JH Yoo, HJ Chi. Comparison of safety and efficiency of vitrification equipments between open type Cryoloop and close type Rapid-i. Annual meeting of the Korean Society for Reproductive Medicine, Seoul, Korea, November, 2013.
52. EJ Choi, SR Kim, YJ Kim, GY Kim, JH Kim, HJ Chi. Endocrinal, molecular and cytogenetic analysis of 46, XX male with SRY gene: four cases. Annual meeting of the Korean Society for Reproductive Medicine, Seoul, Korea, November, 2013.
53. HE Ryu, CS Ryu, SH Min, JS Lee, C Park, KR Kim, EK Chun, HJ Chi. The relationship of halosperm test and hyaluronan binding assay in semen sample groups classified with sperm parameters such as count, motility and morphology. Annual meeting of the Asian Pacific Initiative on Reproduction (ASPIRE), Brisbane, Australia, 2014.
54. HJ Chi, GY Kim, JH Yu. Level of psychological distress in Korean infertile women, and correlation between psychological distress and quality of life; the first validation study of Korean Ferti-QoL. Annual meeting of ASRM 2014
55. HJ Kim, JH Kim, JH Yoo, GY Kim, HJ Chi. Comparison of the safety and efficiency in vitrification of mouse and human embryos between open device-Cryoloop and closed device-Rapid-I. Annual meeting of ASRM 2014