Molecular genetics & genomic medicine · 2025
Chromosomal Abnormalities in Couples Experiencing Recurrent Implantation Failure in West of Iran: A Case-Control Study.
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Asgari Atefeh, Salehi Amir Mohammad, Shahbazi Fatemeh, Ghahremani Safieh, Saleh Ebrahim Kamrani
Аннотация
BACKGROUND: Recurrent Implantation Failure (RIF) is defined as the inability to establish pregnancy despite high-quality embryo transfer after the application of at least three consecutive in vitro fertilization (IVF)/intracytoplasmic sperm injection-embryo transfer procedures. Chromosomal abnormalities are one of the primary reasons for pregnancy failure, miscarriage, and birth defects in both natural conception and IVF pregnancies. This study was to evaluate the incidence of chromosomal abnormalities in peripheral blood samples from 100 couples who experienced RIF.
METHODS: Chromosomal structure analysis was conducted on peripheral blood samples from 100 couples who experienced RIF between 2018 and 2022. Additionally, cytogenetic assessments were conducted on 200 healthy individuals without clinical issues to ensure the accuracy. The GTG-Banding technique was employed in our research.
RESULTS: Out of the 200 individuals who faced RIF, six (3%) exhibited chromosomal abnormalities, comprising five (83.3%) men and one (16.6%) woman. Translocation was the main type of autosomal structural abnormalities; also, we found one inversion and one pstk - (population polymorphism). Conversely, no chromosomal abnormalities were detected in the control group. We found chromosomal abnormalities in 3% of study participants who had experienced RIF.
CONCLUSION: Chromosomal abnormalities significantly contribute to RIF. Therefore, it is imperative to conduct cytogenetic screening for both partners before initiating any assisted reproductive technology procedures.
METHODS: Chromosomal structure analysis was conducted on peripheral blood samples from 100 couples who experienced RIF between 2018 and 2022. Additionally, cytogenetic assessments were conducted on 200 healthy individuals without clinical issues to ensure the accuracy. The GTG-Banding technique was employed in our research.
RESULTS: Out of the 200 individuals who faced RIF, six (3%) exhibited chromosomal abnormalities, comprising five (83.3%) men and one (16.6%) woman. Translocation was the main type of autosomal structural abnormalities; also, we found one inversion and one pstk - (population polymorphism). Conversely, no chromosomal abnormalities were detected in the control group. We found chromosomal abnormalities in 3% of study participants who had experienced RIF.
CONCLUSION: Chromosomal abnormalities significantly contribute to RIF. Therefore, it is imperative to conduct cytogenetic screening for both partners before initiating any assisted reproductive technology procedures.