05 April 2021 : Clinical Research
Effects of Different Exposure Days to Gonadotropin-Releasing Hormone Agonist (GnRH-a) on Live Birth Rates in the Depot GnRH-a Protocol: A Retrospective Analysis of 7007 Cycles
Jianyuan Song1ABCDEFG, Wei Wu1BC, Liu Jiang2CD, Cuicui Duan3BC, Jian Xu1AG*DOI: 10.12659/MSM.929854
Med Sci Monit 2021; 27:e929854
Table 4 Logistic regression analysis of the live birth.
| OR | 95% CI | Wald χ2 | P | |
|---|---|---|---|---|
| Exposure days to GnRH-a | ||||
| ≤30 | Reference | |||
| 31–35 | 1.043 | (0.919, 1.185) | 0.430 | 0.512 |
| ≥36 | 1.264 | (1.098, 1.455) | 10.640 | 0.001 |
| Age (years) | 0.956 | (0.941, 0.972) | 29.360 | 0.000 |
| Years of infertility | 0.993 | (0.969, 1.017) | 0.336 | 0.562 |
| FSH | 0.995 | (0.964, 1.027) | 0.089 | 0.766 |
| AFC | 1.023 | (1.014, 1.033) | 24.271 | 0.000 |
| BMI | ||||
| Primary | 0.993 | (0.974, 1.012) | 0.536 | 0.464 |
| Secondary | 0.935 | (0.830, 1.054) | 1.215 | 0.270 |
| Gn time | ||||
| 1 embryo transferred | 1.028 | (1.000, 1.056) | 3.936 | 0.057 |
| 2 embryos transferred | 0.474 | (0.423, 0.530) | 166.560 | 0.000 |
| Endometrial thickness | 1.015 | (1.001, 1.030) | 4.408 | 0.036 |
| FSH – follicle stimulating hormone; AFC – antral follicle count; BMI – body mass index; Gn – Gonadotrophin. | ||||