European Society of Human Reproduction and Embryology (ESHRE)

The relationship between expansion degree of human blastocyst and clinical outcomes in ART In over 35 years old women, the clinical outcomes of Day 1~2 extended culture and transfer of thawed-Day 3 cleavage-stage embryos when compared with vitrified-thawed blastocysts.

The Korean Urological Association

Defining Molecular Mechanisms Involved in the Ovarian Aging for Clinical Applications

European Society of Human Reproduction and Embryology (ESHRE)

Molecular Networks underlying Ovarian Aging for Clinical Applications

International Society for Prenatal Diagnosis (ISPD)

Case Report: Prenatal Diagnosed Rare Trisomy 16 Mosaicism

European Society of Human Reproduction and Embryology (ESHRE)

Defining Molecular Mechanisms Involved in the Ovarian Aging for Clinical Applications

Korean Society for Fertility Preservation (KSFP)

Blastocyst Morphology Is Not Critical on Frozen-thawed Embryo Transfer for Improving Clinical Outcomes

American Society for Reproductive Medicine (ASRM)

Is it necessary for intracytoplasmic sperm injection on patients with abnormal Sperm DNA fragmentation value in ART?

Asia Pacific Initiative on Reproduction (ASPIRE)

THE RELATIONSHIP OF HALOSPERM TEST AND HYALURONAN BINDING ASSAY (HBA) IN SEMEN SAMPLE GROUPS CLASSIFIED WITH SPERM PARAMETERS SUCH AS COUNT, MOTILITY AND MORPHOLOGY.

Asia Pacific Initiative on Reproduction (ASPIRE)

The effect of pregnancy outcome for intrauterine insemination (IUI) treatment medium supplemented with ethylenediaminetetraacetic acid (EDTA)

J Womens Med. 2010 Dec;3(4):155-158. Published online Dec 10, 2010. http://dx.doi.org/10.5468/jwm.2010.3.4.155 Efficacy of luteal supplementation of vaginal sildenafil and oral estrogen on pregnancy rate following IVF-ET in women with a history of thin endometria: A pilot study

American Society for Reproductive Medicine (ASRM)

MICROSURGICAL ENUCLEATION OF TRIPRONUCLEAR OOCYTE TO RECONSTRUCT TWO PRONUCLEI IN an POOR RESPONDING 50-year old WOMAN BY MINIMAL OVARIAN STIMULATION.

European Society of Human Reproduction and Embryology (ESHRE)

Effect of low-oxygen compared with high-oxygen atmosphere on the outcomes of in vitro fertilization, a prospective randomized study

American Society for Reproductive Medicine (ASRM)

A randomized controlled study for vitrification of cleavage-stage mouse embryos processed by two different methods: DMSO+EG or PROH+EG based method

European Society of Human Reproduction and Embryology (ESHRE)

1. (1) Protective effect of antioxidant supplementation in sperm-preparation medium against oxidative stress in human spermatozoa.

American Society for Reproductive Medicine (ASRM)

1. (1) Human sperm DNA integrity assessed by single cell microgel electrophoresis (Comet assay) and its relationship to semen parameters and clinical outcome in IVF program
2. (2) 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 Korean Society of ART

1. (1) Causes and Prevention of multi-fetal pregnancy in ART

Korean Society for Assisted Reproduction Fall Conference (Best Paper Award)

1. (1) Effects of Microsurgical Varicocelectomy on DNA Integrity in Human Sperm

American Society for Reproductive Medicine (ASRM)

1. (1) What is a more effective protocol between conventional IVF and ICSI to fertilize oocytes with the sperm that shows strict morphology score 4-14%?

Korean Society for Assisted Reproduction Training Course

1. (1) Improvement of culture media for embryo

European Society of Human Reproduction and Embryology (ESHRE)

1. (1) Protective effect of antioxidants supplemented into sperm preparation medium against oxidative stress in human spermatozoa

Korean Society for Assisted Reproduction Training Course

1. (1) QC of ART Laboratory

Korean Society for Reproductive Medicine Fall Conference

1. (1) Effects of Antioxidants Added to Fresh Semen or Sperm Washing Media on Functional Parameters of Human Sperm
2. (2) Correlation Between Semen Characteristics and DNA Damage of Human Sperm Measured by Comet Assay in Male Infertility Patients

American Society for Reproductive Medicine

1. (1) Impact of laparoscopic endometrioma enucleation on ovarian reserve compared to contralateral intact ovary during in-vitro fertilization cycles

Korean Society of Obstetrics and Gynecology

1. (1) Isolation and Characterization of Mesenchymal Stem Cells Derived from Umbilical Cord Blood

Korean Society for Reproductive Medicine Fall Conference

1. (1) Vitrification Method of Human Embryos Using Choline Chloride and Cryo-loop
2. (2) Case Report of Ovarian Pregnancy Following Assisted Reproductive Technology

American Society for Reproductive Medicine (ASRM)

1. (1) Ovulation Induction Using GnRH Agonist in GnRH Antagonist Protocol to Prevent Severe Ovarian Hyperstimulation Syndrome

Korean Society for Reproductive Medicine Spring Conference

1. (1) Ovulation Induction Using GnRH Analogue for Prevention of Ovarian Hyperstimulation Syndrome

Designated as an Embryo-Generating Medical Institution by the Ministry of Health and Welfare (Gangnam No.2, Gangseo No.3)

Korean Society for Reproductive Medicine Fall Conference

1. (1) Is Testicular Sperm Extraction Useful in Korean Male Infertility Patients with Non-obstructive Azoospermia Caused by Complete Sertoli Cell-only Syndrome?

American Society for Reproductive Medicine (ASRM)

1. (1) Correlation Between Ultrasonographic Identification and Hysteroscopic Biopsy in the Evaluation of Endometrial Polyps in Infertility Patients

Korean Society for Reproductive Medicine Spring Conference

1. (1) Microdeletions of the Y Chromosome in Male Infertility

American Society for Reproductive Medicine (ASRM)

1. (1) Effects of Sperm Quality on Fertilization, Embryo Morphology, Early Cleavage, and Pregnancy Outcomes in ICSI Procedures

European Society of Human Reproduction and Embryology (ESHRE)

1. (1) Prediction of Pregnancy Outcomes by a Combined Scoring System of Pronuclear Morphology, Early Cleavage, and Embryo Development in Human Assisted Reproductive Technology

American Society for Reproductive Medicine (ASRM)

1. (1) Role of LH Receptors in Human IVF-ET Procedures
2. (2) Increased Cell Proliferation and oct4 Gene Expression by Anti-apoptotic Action of IGF-I and TGF-α in Mouse Blastocysts

European Society of Human Reproduction and Embryology (ESHRE)

1. (1) Correlation Between Pronuclear Morphology and Embryo Development According to the Quality of Retrieved Oocytes in Human IVF-ET Procedures

Korean Society for Reproductive Medicine Spring Conference

1. (1) Correlation Between Retrieved Oocyte Quality, PN Morphology, and Embryo Development in Human IVF-ET Program

Korean Urological Association

1. (1) In Vitro Culture of Mouse Germ Cells Using Epididymal Epithelial Cells and Sertoli Cell Lines

American Society for Reproductive Medicine (ASRM)

1. (1) Effects of IGF-I, TGF-α, and LIF on Blastomere Apoptosis and oct4 Gene Expression in Mouse Preimplantation Embryos
2. (2) Effects of LIF on integrin αVβ3 Expression in Mouse Preimplantation Embryos
3. (3) In Vitro Differentiation of Spermatogenic Cells Using a Mouse Co-culture System
4. (4) Construction of Recombinant Mature Oocytes by Nuclear Transfer of Bovine Primordial Follicle Oocytes

Korean Society for Reproductive Medicine Spring Conference

1. (1) Correlation Between Patient Age and Pregnancy Success Rate in Infertility Treatment Using ICSI
2. (2) Improvement of Growth and Maturation Rates of Immature Porcine Oocytes Using CHO Cell Co-culture
3. (3) Initial Experience with Microdissection Testicular Tissue Retrieval in Patients with Obstructive Azoospermia
4. (4) Sperm Extraction Through Multiple Testicular Tissue Retrieval in Patients with Klinefelter Syndrome
5. (5) mRNA Expression Patterns of LH Receptors in Luteinized Granulosa Cells
6. (6) Verification of Physiological Activity After Thawing Cryopreserved Fetal Ovarian Tissue

American Society for Reproductive Medicine (ASRM)

1. (1) Expression of FSH, Estrogen-α, β, Androgen, IGF-I, and TGF-β Receptor Genes During Fetal and Prepubertal Testicular Development in Mice
2. (2) Expression of FSH, LH, Steroid Hormone, and Growth Factor Receptor Genes During Human Fetal Testicular Development
3. (3) Fertilization and Embryo Development According to Oocyte Maturation Time in an Unstimulated IVM-IVF-ET Program
4. (4) Correlation Between Cytoplasmic Size and Meiotic Competence of Human Immature Oocytes in an Unstimulated IVM-IVF-ET Program
5. (5) Improvement of Pregnancy and Implantation Rates by Transferring Embryos Selected Based on Pronuclear Morphology in Human Assisted Reproductive Technology

Korean Society for Reproductive Medicine Spring Conference

1. (1) Regulation of LIF Gene Expression by Mouse Preimplantation Embryos and Endometrial Cells
2. (2) Embryo Selection by Pronuclear Morphology and Improvement of Implantation Rates in IVF Procedures
3. (3) Improvement of Growth and In Vitro Maturation Rates by Co-culture of Porcine Oocytes and CHO Cell Lines

American Society for Reproductive Medicine

1. (1) Production of mature oocytes by nuclear transfer and cytoplasmic recombination of oocytes in primordial follicles in mice
2. (2) Improvement of pregnancy rates by biochemical assisted hatching in frozen-thawed embryo transfer
3. (3) Promotion of VIP and FISH receptor expression in fetal ovaries
4. (4) Clinical application of IVF using immature oocytes retrieved without ovulation induction
5. (5) Expression of gonadotropin and estrogen receptor genes in fetal ovaries

Korean Society of Developmental Biology

1. (1) Roles of gonadotropin receptors, estrogen receptors,
   aromatase, and cell adhesion molecules in the formation of primordial follicles in fetal ovaries
2. (2) Hypothesis on the mechanism of growth inhibition of primordial follicles in fetal and neonatal ovaries

International Workshop on Early Follicle Formation and Oocyte Development

1. (1) Expression of gonadotrophin, estrogen, aromatase genes, and cell cycle-related proteins in human fetal ovaries
2. (2) Effects of VIP on estrogen synthesis in human fetal ovaries

11th World Congress of In Vitro Fertilization
(World Congress of In Vitro Fertilization and Human Reproduction Genetics)

1. (1) Improvement of pregnancy rates by biochemical assisted hatching in IVF procedures
2. (2) Application of biochemical assisted hatching in assisted reproductive technology
3. (3) Effects of VIP on estrogen synthesis in human fetal ovaries

Japan Society of Obstetrics and Gynecology

1. (1) Improvement of pregnancy rates by biochemical assisted hatching in human assisted reproductive technology
2. (2) Report of high pregnancy rates using sperm retrieved from cryopreserved testicular tissue through direct intracytoplasmic sperm injection into oocytes
3. (3) Report of successful pregnancy using immature oocytes retrieved without ovulation induction in infertility treatment
4. (4) Successful pregnancy through preimplantation genetic diagnosis using FISH in a chromosomal translocation carrier with recurrent miscarriage

7th Symposium on Recent Advances in Reproductive Medicine

1. (1) Diagnosis and Treatment of Azoospermia
2. (2) Medicine of Somatic Cell and Embryo Cloning

Korean Society of Developmental Biology

1. (1) Regulation of gene expression and morphogenesis by cytoplasmic factors in early mouse embryos

American Society for Reproductive Medicine
Invited Lecture: "Assisted Hatching of Human Embryos"

1. (1) Expression of melatonin receptor genes in mouse gonads
2. (2) Comparative analysis of fertilization, embryo development, and pregnancy rates after intracytoplasmic microinjection using sperm obtained from cryopreserved and thawed testicular tissue
3. (3) Assisted reproductive technology using immature oocytes obtained without superovulation
4. (4) Study on structural changes and hormone production after in vitro culture of cryopreserved and thawed 18-week human fetal ovarian tissue
5. (5) Study on in vitro growth of oocytes in primordial follicles from cryopreserved and thawed immature mice

32nd Annual Meeting of the Society for the Study of Reproduction

1. (1) Regulation of genome activation by inhibition of protein synthesis and phosphorylation in mouse embryos

Korean Association of Biological Sciences Spring Conference

1. (1) Regulation of morphogenesis by cytoplasmic factors in early mouse embryos
2. (2) Regulation of morphogenesis by oocyte-derived substances in preimplantation mouse embryos

Korean Society for Reproductive Medicine Fall Conference

1. (1) Development of a new IVF procedure without using superovulation in in vitro fertilization treatment

30th Annual Meeting of the Society for the Study of Reproduction

1. (1) Study on the regulation of integrin α1, α5, and β3 gene expression by LIF during in vitro implantation of mouse embryos

American Society for Reproductive Medicine

1. (1) Sperm detection method in patients with oligozoospermia and its application to intracytoplasmic microinjection
2. (2) Application of ICSI and ROSI in patients with non-obstructive azoospermia
3. (3) Application of biochemical assisted hatching using proteolytic enzymes in the human ART program (Best Paper Award)
4. (4) Study on Y chromosome microdeletions and the frequency of each region in Korean male infertility patients

10th World Congress on In Vitro Fertilization
(World Congress on In Vitro Fertilization and Assisted Reproduction)

1. (1) Study on the identification of round spermatids in male testicular tissue specimens and their application to the human ART program

5th International Congress of Andrology

1. (1) Study on Y chromosome microdeletions in Korean male infertility patients
2. (2) Analysis of spermatogenesis using DAZ and Protamine-2 gene expression in male testicular tissue specimens

Korean Association of Biological Sciences

1. (1) Study on ultrastructural changes of the zona pellucida during the hatching process of mouse embryos

American Society for Reproductive Medicine

1. (1) Case report of successful normal pregnancy and delivery after preimplantation genetic diagnosis using fluorescence in situ hybridization (FISH) in a patient with recurrent miscarriage caused by chromosomal translocation
2. (2) Development of a new assisted hatching technique using in vivo enzymes
3. (3) Study on improvement of embryo development and pregnancy rates by inducing acrosome reaction of sperm during intracytoplasmic sperm injection

Affiliation established with the Department of Obstetrics and Gynecology at the University of Southern California (USC), USA

Korean Society for Reproductive Medicine Fall Conference

1. (1) Analysis of Microdeletions in chromosome from Korean male infertility patients

Korean Society of Obstetrics and Gynecology Fall Conference

1. (1) Analysis of Y chromosome azoospermia factor genes in Korean male infertility patients

European Society of Human Reproduction and Embryology

1. (1) Study on enhancement of hatching and outgrowth of cryopreserved mouse blastocysts through various treatment methods

Korean Society of Obstetrics and Gynecology Spring Conference

1. (1) Successful pregnancy by round spermatid nucleus injection into oocyte cytoplasm (first in Korea): ROSI

Successful normal pregnancy after preimplantation genetic diagnosis using fluorescence in situ hybridization (FISH) in a patient with recurrent miscarriage caused by chromosomal translocation (world’s first)

Korean Society for Reproductive Medicine

1. (1) Study on the applicability of intracytoplasmic sperm injection (ICSI) according to the cause of infertility

Korean Society of Obstetrics and Gynecology Spring Conference

1. (1) Study on preimplantation genetic diagnosis using fluorescence in situ hybridization (FISH) according to human embryo morphology and the number of pronuclei at fertilization

World Congress of In Vitro Fertilization (IVF-ET) Award (Best Paper Award)

1. (1) Correlation between sperm acrosome reaction and pronuclear formation time after fertilization during intracytoplasmic sperm injection

Successful pregnancy using an innovative genetic diagnostic method that can identify various genetic diseases and sex by removing a few cells from an embryo only three days after fertilization

A Korean clinical paper on significantly improving IVF success rates using proteolytic enzymes in the human body was presented at the international academic conference (AFS)

Successful in vitro fertilization pregnancy through testicular sperm extraction and intracytoplasmic sperm injection

Successful pregnancy through intracytoplasmic sperm injection

Development of a simplified tubal reversal surgery method

Successful combined fertilization method (GIFT-ET) integrating IVF and gamete intrafallopian transfer

Successful embryo transfer through the uterine wall (world’s first) - embryo transfer using a special needle