Factors associated with common and atypical chromosome abnormalities after positive combined first-trimester screening in Chinese women: a retrospective cohort study

• Main Authors: Annisa Mak (Author), Helena Lee (Author), C. F. Poon (Author), S. L. Kwok (Author), Teresa Ma (Author), K. Y. K. Chan (Author), Anita Kan (Author), Mary Tang (Author), K. Y. Leung (Author)
• Format: Book
• Published: BMC, 2019-02-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background When cell-free DNA (cfDNA) testing is used as a secondary screening tool following combined first-trimester screening (cFTS), cFTS is used to estimate the prior risk for chromosome abnormalities. This study aimed to assess the factors that are associated with common and atypical...