Table 1 Demographic characters for 150 pregnancies with polyhydramnios
From: Evaluation of genetic variants using chromosomal microarray analysis for fetuses with polyhydramnios
| Total (n = 150) | Isolated polyhydramnios (N = 39) | Non-isolated polyhydramnios (N = 119) | |
|---|---|---|---|
| Maternal age (y): mean ± SD | 30.5 ± 4.9 | 31.2 ± 5.2 | 30.2 ± 4.7 |
| Gestation age at invasive testing (wk): mean ± SD | 27.5 ± 3.6 | 26.3 ± 3.1 | 27.9 ± 3.7 |
| Specimen | |||
| AF n (%) | 81 (54.0%) | 31 (79.5%) | 50 (45.1%) |
| CB n (%) | 69 (46.0%) | 8 (20.5%) | 61 (54.9%) |