Table 2 Comparison of baseline characteristics and IVF cycle outcomes between the two groups after the propensity score matching of patients received GnRH-a trigger after GnRH antagonist-based stimulation protocols
LH normal (control group) | LH low (experimental group) | P-value | |
|---|---|---|---|
n = 137 | n = 47 | ||
Trigger day’ P | 1.56(1.22–2.25) | 1.93(1.58–2.32) | 0.015 |
Trigger day’ E2 | 7154(5691–8279) | 5931(5310–6816) | 0.003 |
Trigger day’ LH | 1.79(1.00-2.95) | 1.42(0.78–2.63) | 0.124 |
Trigger day’ FSH | 11.03(9.34–13.94) | 11.15(9.04–13.91) | 0.951 |
Number of follicles greater than 14 mm in diameter on Trigger day | 19(16–23) | 20(16–26) | 0.259 |
Number of eggs obtained | 18(15–25) | 20(14–27) | 0.364 |
Number of mature eggs | 17(13–22) | 18(12–25) | 0.667 |
Number of 2PN fertilization | 13(10–17) | 13(8–19) | 0.786 |
Cleavage embryo | 5(2–7) | 4(2–7) | 0.828 |
Number of blastocysts formed | 8(5–12) | 7(4–13) | 0.610 |
Incidence of OHSS | 0.7(1/137) | 8.5(4/47) | 0.016 |
live birth rate of first FET | 54.9(73/133) | 55.6(25/45) | 1.00 |
live birth rate of second FET | 58.3(21/36) | 45.5(5/11) | 0.505 |
live birth rate of third FET | 40.0(2/5) | 60.0(3/5) | 0.500 |