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Analysis of the effect of expanded non-invasive prenatal testing in prenatal screening population during pregnancy / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 1041-1044, 2021.
Article in Chinese | WPRIM | ID: wpr-921993
ABSTRACT
OBJECTIVE@#To explore the clinical effect of expanded non-invasive prenatal testing (NIPT-plus) for prenatal screening.@*METHODS@#The screening result, prenatal diagnosis and pregnancy outcome of 3700 pregnant women who volunteered NIPT-plus screening at our center from September 2018 to December 2019 were reviewed.@*RESULTS@#Among the 3700 pregnant women, 74(2.0%) were scored positive for clinically significant fetal chromosomal abnormalities and underwent NIPT-plus screening. Sixty three women with a high risk underwent invasive prenatal diagnosis, among whom 19 were diagnosed, which yielded a positive predictive value (PPVs) of 30.2% (19/63). Statistical analysis showed that NIPT-plus has higher PPVs for common aneuploidies and low-to-medium PPVs for sex chromosome aneuploidies and microdeletion/microduplication syndromes.@*CONCLUSION@#As a screening technique, NIPT-plus has broader applications compared with conventional techniques, and has reference value for clinicians and pregnant women during pregnancy.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Prenatal Diagnosis / Sex Chromosome Aberrations / Pregnancy Outcome / Chromosome Aberrations / Aneuploidy Type of study: Diagnostic study / Prognostic study / Screening study Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prenatal Diagnosis / Sex Chromosome Aberrations / Pregnancy Outcome / Chromosome Aberrations / Aneuploidy Type of study: Diagnostic study / Prognostic study / Screening study Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article