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Showing 1 to 4 of 4 for “"Sex chromosome abnormalities"”.
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Current Genetic Counseling Practice Following Positive Non-Invasive Prenatal Testing For Sex Chromosome Abnormalities
… prenatal testing (NIPT) result positive for a sex chromosome abnormality (SCA). The positive predictive value for SCA with NIPT is lower than seen for Trisomy 21 due to natural loss of the X chromosome from maternal cells during aging, confined placental mosaicism, and undiagnosed maternal sex …
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Detection, causes and consequences of sex chromosome mosaicism
Sex chromosome mosaicism, including male mosaic loss of chromosome Y (LOY) and female mosaic loss of chromosome X (LOX), is the most common form of clonal haematopoiesis (CH) that can be defined as the age-related clonal expansion of blood cells with somatic mutations. With the decreased cost of …
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Obstetrician and Gynecologist Utilization of The Nipt Expanded Testing Option
… such as trisomy 21, trisomy 18, trisomy 13, and sex chromosome abnormalities via analysis of cell-free fetal DNA circulating in maternal serum. Although the accuracy of NIPT for fetal aneuploidy is expected to be higher than that of currently available alternative maternal serum screening …
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Cytogenetic studies of mosaicism
This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).