Table 4. Clinical outcome data for cohort 2 cases with RATs.

Misc., miscarriage; MCA, multiple congenital abnormalities; NLB, normal live birth; NA, follow-up not available; Mat, maternal; Av., average; TF, trisomic fraction; FF, fetal fraction.

Missed or early misc.TFMUPDIUFDIUGRMCANLBNAMatTotal
Trisomy 23(2*)1(1*, 1)15
Trisomy 3112
Trisomy 4213
Trisomy 511
Trisomy 71(1*)539
Trisomy 81113
Trisomy 911114
Trisomy 10123
Trisomy 1411
Trisomy 1513114
Trisomy 16212(2)(1)27
Trisomy 201113
Trisomy 2231§115
Total225 (+1§)5 (+2*)2 (+2)2 (+4*†‡)1148160
Av. TF7.608.559.907.237.834.655.523.8414.05
Av. FF7.158.328.826.987.524.458.978.8111.08
Ratio Av. TF:FF1.061.031.121.041.041.040.620.441.27

*Also recorded as TFM.

†Also recorded as IUFD.

‡Also recorded as UPD.

§Also recorded as miscarriage.