Table 3b. Data on the prenatal cohort tested for BWS or SRS: tissues used for prenatal testing in BWS and SRS.
BWS |
SRS |
||||||
---|---|---|---|---|---|---|---|
Positive testing result | Mutation/epimutation | False positive | False negative | Positive testing result | |||
Native CVS | 31 | 3 | ICR2 LOM (2) upd(11)pat (1) | ICR2 LOM (1) | 0 | 5 | 0 |
Cultured CVS | 15 | 0 | 0 | 0 | 0 | 4 | 0 |
Native AF | 44 | 12 | ICR2 LOM (8) Familial ICR1 GOM (1) upd(11)pat (3) | 0 | ICR2 LOM (1) upd(11p)pat (1) | 8 | 0 |
Cultured AF | 30 | 4 | ICR2 LOM (4) | 0 | 0 | 19 | 0 |
Fetal blood | 2 | 1 | ICR2 LOM (1) | 0 | 0 | 2 | 0 |
total | 122 | 20 | 1 | 2 | 38 | 0 |
Abbreviation: AF, amniotic fluid.