From: Application of chromosome microarray analysis in prenatal diagnosis
Prenatal diagnostic indications | n | Abnormal karyotype | Detection rate (%) | PCNVS | Detection rate (%) | VOUS | Detection rate (%) |
---|---|---|---|---|---|---|---|
NIPT abnormal | 25 | 8 | 32 | 1 | 4 | 4 | 16 |
Heart malformation | 63 | 3 | 4.76 | 2 | 3.17 | 5 | 7.94 |
Urinary system abnormalities | 56 | 0 | Ā | 3 | 5.35 | 1 | 1.78 |
Multiple malformations | 9 | 3 | 33.33 | 0 | Ā | 0 | Ā |
Lateral ventricle dilatation | 38 | 1 | 2.63 | 2 | 5.26 | 1 | 2.63 |
Digestive disorders | 22 | 0 | Ā | 1 | 4.55 | 2 | 9.09 |
NT > 3 mm | 31 | 1 | 3.23 | 0 | Ā | 1 | 3.23 |
Hydrocyst of the neck | 8 | 1 | 12.5 | 0 | Ā | 0 | Ā |
Foot inversion | 4 | 1 | 25 | 0 | Ā | 0 | Ā |
Abnormal karyotypeof couple | 8 | 1 | 12.5 | 0 | Ā | 1 | 12.5 |
Abnormal Karyotype | 11 | 1 | 9.09 | 1 | 9.09 | 1 | 9.09 |
High-riskscreening | 3 | 0 | Ā | 1 | Ā | 1 | Ā |
Fetal growth restriction | 30 | 1 | Ā | 1 | Ā | 1 | Ā |
Oligohydramnios | 2 | 0 | Ā | 1 | Ā | 0 | Ā |
advanced maternal age | 3 | 2 | Ā | Ā | Ā | Ā | Ā |
Nervous system abnormalities | 15 | 0 | Ā | 2 | Ā | 5 | Ā |
Cleft lip and palate | 5 | Ā | Ā | 2 | Ā | Ā | Ā |
Polyhydramnios | 22 | Ā | Ā | Ā | Ā | 3 | Ā |
stillbirth | 9 | Ā | Ā | Ā | Ā | 2 | Ā |
Adverse pregnancy history | 3 | Ā | Ā | Ā | Ā | 1 | Ā |
FISH does not match karyotype | 2 | Ā | Ā | Ā | Ā | 1 | Ā |
Short nasal bone | 12 | Ā | Ā | Ā | Ā | 1 | Ā |
Left ventricular strong echo | 13 | Ā | Ā | Ā | Ā | Ā | Ā |
Choroid plexus cyst | 11 | Ā | Ā | Ā | Ā | Ā | Ā |
Strong echo of bowel | 13 | Ā | Ā | Ā | Ā | Ā | Ā |
Eyes wide | 1 | Ā | Ā | Ā | Ā | Ā | Ā |
Pleural effusion | 7 | Ā | Ā | Ā | Ā | Ā | Ā |
Skeletal abnormalities | 11 | Ā | Ā | Ā | Ā | Ā | Ā |
Pulmonary cystadenoma | 5 | Ā | Ā | Ā | Ā | Ā | Ā |
Diaphragmatic hernia | 4 | Ā | Ā | Ā | Ā | Ā | Ā |
Isolated lung | 1 | Ā | Ā | Ā | Ā | Ā | Ā |
Total | 447 | 23 | Ā | 17 | Ā | 31 | Ā |