Table 1 Comparisons of the parameters between 2 groups
Parameter | Ongoing pregnancy (12,051) | Early pregnancy loss (1,926) | P |
|---|---|---|---|
MA (years) | 30.9 ± 4.5 | 33.3 ± 5.4 | < 0.001 |
BMI(kg/m2) | 21.8 ± 2.4 | 22.1 ± 2.6 | < 0.001 |
Infertility duration (years) | 4.0 ± 3.0 | 4.4 ± 3.6 | 0.001 |
Transfer cycle | 1.2 ± 0.7 | 1.4 ± 0.8 | < 0.001 |
Infertility type | |||
Primary | 4673 (38.78%) | 602 (31.26%) | < 0.001 |
Secondary | 7378 (61.22%) | 1324 (68.74%) | |
Cause of infertility | |||
Male | 831 (6.90%) | 112 (5.82%) | 0.014 |
Female | 6920 (57.42%) | 1176 (61.06%) | |
Combined male and female | 3764 (31.23%) | 550 (28.56%) | |
Unexlained | 536 (4.45%) | 88 (4.57%) | |
14-day HCG (mIU/ml) | 594.4 ± 301.7 | 430.5 ± 283.9 | < 0.001 |
EM thickness on transfer | 12.6 ± 2.0 | 12.3 ± 1.9 | < 0.001 |
Insemination methods | |||
IVF | 5584 (46.34%) | 829 (43.06%) | < 0.001 |
ICSI | 2081 (17.27%) | 293 (15.22%) | |
IVF/ICSI | 4386 (36.40%) | 804 (41.72%) | |
Number of embryos transferred | 1.7 ± 0.5 | 1.7 ± 0.5 | 0.44NS |
Intrauterine hematomas | |||
Presence | 1928 (16.00%) | 363 (18.85%) | 0.002 |
Absence | 10,123 (84.00%) | 1563 (81.15%) | |
GSD (mm) | 18.5 ± 3.6 | 13.2 ± 4.8 | < 0.001 |
YSD (mm) | 3.6 ± 0.4 | 2.6 ± 1.5 | < 0.001 |
EL (mm) | 3.5 ± 0.9 | 1.2 ± 1.6 | < 0.001 |
EHR (bpm) | 114.5 ± 12.2 | 42.4 ± 53.5 | < 0.001 |