Table 3.
Description of trigger–OPU time period in different COH protocols
| Total trigger–OPU time period (h) | Trigger–OPU time period (concentrated in 10th–90th, h) | Trigger–OPU time period (> 60% oocyte retrieval rate, h) | Trigger–OPU time period (> 80% mature oocyte rate, h) | Relationship with LBR and CLBR | |
|---|---|---|---|---|---|
| Long agonist protocol | 31.8–40.4 (8.6) | 36.0–39.0 (3.0) | 35.4–39.6 (4.2) | 35.0–39.7 (4.7) | Positive |
| Short agonist protocol | 31.7–40.9 (9.2) | 35.0–38.0 (3.0) | 34.6–38.6 (4.0) | 36.0–37.7 (1.7) | None |
| Mild stimulation protocol | 30.4–39.9 (9.5) | 33.0–35.5 (2.5) | 32.5–37.5 (5.0) | 34.1–35.5 (1.4) | None |
| GnRH antagonist protocol | 32.0–38.8 (6.8) | 34.5–37.0 (2.5) | 33.8–37.7 (3.9) | 34.5–36.3 (1.8) | None |