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Related Experiment Videos

Histocompatibility in in vitro fertilization couples

J Balasch1, I Jové, J Martorell

  • 1Department of Obstetrics and Gynecology, Faculty of Medicine, Hospital Clínic i Provincial, Barcelona, Spain.

Fertility and Sterility
|February 1, 1993
PubMed
Summary

Close human leukocyte antigen (HLA) sharing between partners may contribute to recurrent implantation failure in couples undergoing in vitro fertilization with embryo transfer (IVF-ET). This suggests HLA compatibility could impact IVF success rates.

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Area of Science:

  • Reproductive immunology
  • Human genetics
  • Assisted reproductive technologies

Background:

  • Major histocompatibility complex (MHC) compatibility between mother and fetus is crucial for successful pregnancy.
  • Human leukocyte antigens (HLAs) are key components of the MHC system involved in immune responses.
  • Recurrent implantation failure (RIF) after in vitro fertilization with embryo transfer (IVF-ET) remains a clinical challenge.

Purpose of the Study:

  • To investigate the association between human leukocyte antigen (HLA) sharing and recurrent implantation failure (RIF) in couples undergoing IVF-ET.
  • To determine if increased HLA compatibility influences the success of embryo transfer (ET) in infertile couples.

Main Methods:

  • Case-control study design comparing HLA sharing in couples with RIF versus those with successful IVF-ET and fertile controls.

Related Experiment Videos

  • Analysis of HLA allele sharing in 15 couples with three or more failed IVF-ET cycles.
  • Comparison with 15 couples achieving pregnancy in their first IVF-ET attempt and 100 fertile couples.

    • Main Results:

    • Couples experiencing RIF exhibited a statistically significant higher degree of HLA sharing compared to couples with a successful first IVF-ET attempt.
    • No significant difference in HLA sharing was found between fertile and infertile control couples.
    • Increased HLA compatibility was identified as a potential factor in cases of unsuccessful embryo transfer.

    Conclusions:

    • Close histocompatibility, indicated by increased HLA sharing, may be a contributing factor to recurrent implantation failure following IVF-ET.
    • This finding suggests that HLA compatibility assessment could be a valuable diagnostic tool for specific cases of RIF.
    • Further research is warranted to explore the immunological mechanisms underlying the impact of HLA sharing on pregnancy outcomes in assisted reproduction.