Table 1 Baseline maternal characteristics
Variable* | Assisted reproductive technology (ART) group (N = 65) | Spontaneous conception (SC) group (N = 128) | p value |
|---|---|---|---|
Maternal age (years) | 33.4 (5.4) | 29.3 (5.7) | < 0.01 |
Gravida [median (range)] | 1 (1, 9) | 2 (1, 8) | 0.01 |
Parity [median (range)] | 0 (0, 3) | 0 (0, 6) | < 0.01 |
Gestational diabetes [N (%)] | 6 (9.2%) | 6 (4.7%) | 0.22 |
Hypertension [N (%)] | 8 (12.3%) | 15 (11.7%) | 0.90 |
Use of antenatal steroid [N (%)] | 59 (92.2%) | 111 (87.4%) | 0.31 |
Multiple type | |||
Twins | 46 (70.8%) | 119 (93%) | < 0.001 |
Triplets | 18 (28.1%) | 9 (7%) | |
Quadruplets | 1 (1.5%) | 0 |