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Table 1 Detection of abnormalities in 4852 fetuses by use of BACs-on-Beads (BoBs™) alone, conventional karyotyping alone, and their combined use

From: Combined use of bacterial artificial chromosomes-on-beads with karyotype detection improves prenatal diagnosis

Prenatal BoBs™

(n, %)

Conventional karyotyping (n, %)

Combined use of BoBs™ and karyotyping (n, %)

Normal (4708, 97.03%)

Normal (4656, 95.96%)

Normal (4633, 95.49%)

Abnormal (144, 2.97%)

Abnormal (196, 4.04%)

Abnormal (219, 4.51%)

  1. BoBs™: Bacterial artificial chromosome (BACs)-on-Beads examination