Frequency of chromosomal aneuploidy in high quality embryos from young couples using preimplantation genetic screening
- سال انتشار: 1396
- محل انتشار: مجله طب تولید مثل ایران، دوره: 15، شماره: 5
- کد COI اختصاصی: JR_IJRM-15-5_007
- زبان مقاله: انگلیسی
- تعداد مشاهده: 394
نویسندگان
Genetics Department, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. . Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Embryology Department, Omid Fertility Clinic, Tehran, Iran
چکیده
Background: Selection of the best embryo for transfer is very important in assisted reproductive technology (ART). Using morphological assessment for this selection demonstrated that the correlation between embryo morphology and implantationpotential is relatively weak. On the other hand, aneuploidy is a key genetic factor that can influence human reproductive success in ART. Objective: The aim of this lab trial study was to evaluate the incidence ofaneuploidies in five chromosomes in the morphologically high-quality embryos from young patients undergoing ART for sex selection. Materials and Methods: A total of 97 high quality embryos from 23 women at theage of 37or younger years that had previously undergone preimplantation genetic screening for sex selection were included in this study. After washing, the slides ofblastomeres from embryos of patients were reanalyzed by fluorescence in-situ hybridization for chromosomes 13, 18 and 21. Results: There was a significant rate of aneuploidy determination in the embryosusing preimplantation genetic screening for both sex and three evaluated autosomal chromosomes compared to preimplantation genetic screening for only sex chromosomes (62.9% vs. 24.7%, p=0.000). The most frequent detectedchromosomal aneuploidy was trisomy or monosomy of chromosome 13. Conclusion: There is considerable numbers of chromosomal abnormalities inembryos generated in vitro which cause in vitro fertilization failure and it seems that morphological characterization of embryos is not a suitable method for choosing the embryos without these abnormalities.کلیدواژه ها
Preimplantation genetic screening, Aneuploidy, Sex chromosome, Autosomal chromosomeمقالات مرتبط جدید
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