Abstract
Abstract Abstract text Reciprocal translocations (RecT) and Robertsonian translocations (RobT) are among the most common chromosomal abnormalities that cause infertility and birth defects. In 2017, the Reproductive Medicine Center of the first affiliated Hospital of Zhengzhou University reported a method named "Mapping Allele with Resolved Carrier Status" (MaReCs), which enables chromosomal ploidy screening and resolution of the translocation carrier status of the same embryo. Meanwhile, the first international healthy baby, where the chromosomal balanced translocation that can be transmitted to offspring was precisely blocked by ''MaReCS, was born in our center''. Roche translocation can also delivery healthy babies. Therefore, MaReCs accurately enables the selection of translocation-free embryos from patients carrying chromosomal translocations.In addition, with regard to the monogenic disorders and relative cases, our center used Karyomapping-SNP and NGS technology for preimplantation genetic diagnosis, completed the first Huntington's disease patient in China and delivered a healthy embryos. NGS/Karyomapping PGD can be used to assist pregnancy for all genetic diseases with clear genetic patterns and pathogenic genes. Trial registration number: Study funding: Funding source:
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