Table 2 Reproductive outcomes of women with different serum E2/P ratios on OPU + 7
Characteristic | Total | E2/P ratios on OPU + 7 (pg/ng) | |||
|---|---|---|---|---|---|
Low (1.3—15.7) | Middle (15.7—28.8) | High (28.8—487.2) | P-value | ||
Positive hCG rate (%) | 1748 (77.4%) | 552 (73.4%) | 574 (76.4%) | 622 (82.5%) | < 0.001 |
Clinical pregnancy rate (%) | 1606 (71.2%) | 502 (66.8%) | 528 (70.3%) | 576 (76.4%) | < 0.001 |
Ectopic pregnancy rate (%) | 12 (0.7%) | 8 (1.6%) | 3 (0.6%) | 1 (0.2%) | 0.006 |
Early pregnancy loss rate (%) | 135 (8.4%) | 56 (11.2%) | 39 (7.4%) | 40 (6.9%) | 0.006 |
Mid- and late-term pregnancy loss rate (%) | 50 (3.1%) | 14 (2.8%) | 22 (4.2%) | 14 (2.4%) | 0.006 |
Preterm birth rate (%) | 256 (15.9%) | 65 (12.9%) | 85 (16.1%) | 106 (18.4%) | 0.058 |
Live birth rate (%) | 1409 (62.4%) | 424 (56.4%) | 464 (61.8%) | 521 (69.1%) | < 0.001 |
Fetuses delivered, n (%) | 0.092 | ||||
single | 1049 (74.6%) | 332 (78.3%) | 342 (73.7%) | 375 (72.3%) | |
twins | 358 (25.4%) | 92 (21.7%) | 122 (26.3%) | 144 (27.7%) | |