In patients with recurrent miscarriages or implantation failure, additional diagnostic testing is recommended to help identify the underlying causes and support the development of personalized treatment strategies.
One particularly important test is the genotyping of KIR (Killer Immunoglobulin-like Receptors) and HLA-C (Human Leukocyte Antigen-C) gene variants. This is a modern and reliable diagnostic method that enables the assessment of compatibility between maternal NK cell KIR receptors in the endometrium and the partner’s HLA-C molecules in the embryo.
This analysis helps us better understand the interaction between the maternal immune system and the embryo, as certain combinations may affect successful implantation or be associated with pregnancy loss. For this reason, KIR–HLA-C testing is a valuable tool in designing the most appropriate and personalized therapeutic approach.
Different KIR genotypes and HLA-C classes form a complex interaction between the maternal immune system and the embryo. KIR receptors on uterine NK cells play a key role in regulating immune tolerance, allowing the mother’s body to accept the embryo, which carries genetic material from both parents.
Certain combinations, such as the KIR AA genotype in the presence of an HLA-C2 embryo, have been associated with a higher risk of implantation failure or recurrent miscarriage. This may be due to a more activated immune response that can negatively affect placental development.Moreover, these immunological incompatibilities have also been linked to pregnancy complications, including pre-eclampsia and impaired fetal growth.
Understanding these interactions through specialized testing enables a more targeted and personalized approach, helping to optimize the conditions for a successful and healthy pregnancy.
KIR–HLA-C genotyping is a valuable tool in the investigation of infertility and recurrent pregnancy loss.
By analyzing the immunological interaction between the mother and the embryo, it provides important insights that support personalized treatment planning and help optimize the conditions for a successful pregnancy.
It enables the identification of potential reasons for recurrent miscarriages and implantation failures.
Results help determine the ideal number of embryos for transfer.
Genotyping can help reduce the risk of complications during pregnancy.
Results aid in selecting donors more compatible with the prospective mother.
If you have questions about KIR–HLA-C genotyping or concerns regarding recurrent miscarriage or implantation failure, feel free to contact us. Dr. Roukoudis is here to guide you with a personalized approach, helping you create the best possible conditions for a healthy and successful pregnancy.
Genotyping is done through blood tests on the prospective mother and partner (or sperm donor). This allows the identification of KIR and HLA-C types. In the case of egg donation, the donor’s HLA-C type is also determined.
The application of KIR-HLA-C compatibility is a tailored approach. In a personal consultation with Dr. Christos Roukoudis, the appropriate steps for your case will be discussed and determined.
If incompatibility is identified, targeted measures can be taken. Transferring a single embryo may minimize the mother’s immune reaction to foreign molecules. Additionally, medication therapy to suppress the immune response can enhance the treatment’s success probability.
KIR-HLA-C genotyping can also be significant in egg or sperm donation. The donor’s HLA-C genotype can be matched for compatibility with the prospective mother’s KIR receptors.
Do you have any more questions about KIR-HLA-C Compatibility? We’re here to provide you with all the answers you need.