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Last Posted: Jan 04, 2024
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Prevalence of chromosomal alterations in first-trimester spontaneous pregnancy loss.
Rick Essers et al. Nat Med 2023 11

From the abstract: "Pregnancy loss is often caused by chromosomal abnormalities of the conceptus. The prevalence of these abnormalities and the allocation of (ab)normal cells in embryonic and placental lineages during intrauterine development remain elusive. In this study, we analyzed 1,745 spontaneous pregnancy losses and found that roughly half (50.4%) of the products of conception (POCs) were karyotypically abnormal, with maternal and paternal age independently contributing to the increased genomic aberration rate. "


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