| Abnormal karyotype (n, %) | Viable autosomal trisomy (n, %) | Monosomy X (n, %) |
---|---|---|---|
Maternal age (years) (N = 1252) | |||
≤ 29 (n = 537) | 279, 52.0%, | 24, 4.5% | 34, 6.3% |
30–34 (n = 452) | 230, 50.9% | 24, 5.3% | 27, 6.0% |
35–39 (n = 201) | 115, 57.2%, | 14, 7.0% | 11, 5.5% |
≥ 40 (n = 62) | 43, 69.4%, | 12, 19.4% | 3, 4.8% |
p | < 0.05 | < 0.05 | > 0.05 |
Normal live birth history (N = 895) | |||
Yes (n = 185) | 113, 61.1% | 12, 6.5% | 11, 5.9% |
No (n = 710) | 373, 52.5% | 50, 7.0% | 41, 5.8% |
p | < 0.05 | > 0.05 | > 0.05 |
Previous miscarriage (N = 895) | |||
0 (n = 273) | 146, 53.5% | 20, 7.3% | 11, 4.0% |
1–2 (n = 505) | 271, 53.8% | 40, 7.9% | 33, 6.5% |
≥ 3 (n = 117) | 69, 59.0% | 2, 1.7% | 8, 6.8% |
p | > 0.05 | < 0.05 | > 0.05 |
Mode of conception (N = 895) | |||
Assisted conception (n = 115) | 57, 49.0% | 8, 7.0% | 1, 0.9% |
Natural conception (n = 780) | 429, 55.0% | 54, 6.9% | 51,6.5% |
P | > 0.05 | > 0.05 | < 0.05 |