Characteristics | E2(ng/mL) | P Value | ||
---|---|---|---|---|
Group A(> 10% increase) (n = 403) | Group B(±10% plateau) (n = 192) | Group C (> 10% decrease) (n = 206) | ||
No premature LH surge (HCG/Tiplilin trigger) | 282(69.98%) | 108(56.25%) | 96(46.60%) | a |
Premature LH surge | 121(30.02%) | 84(43.75%) | 110(53.40%) | a |
Pre-ovulatory P level | 0.3 ± 0.48 | 0.5 ± 0.45 | 0.5 ± 0.33 | NS |
Number of oocytes retrieved | 0.80 ± 0.496 | 0.76 ± 0.68 | 0.64 ± 0.55 | b |
Oocyte retrieval rate | 75.99 ± 40.47 | 77.31 ± 38.64 | 77.28 ± 39.09 | NS |
Mature oocytes | 0.70 ± 0.51 | 0.67 ± 0.67 | 0.55 ± 0.54 | b |
Mature oocytes rate (%) | 89.00 ± 1.73 | 89.98 ± 2.75 | 87.70 ± 2.93 | NS |
Normal fertilization rate | 89.62 ± 30.27 | 88.57 ± 31.11 | 84.82 ± 35.41 | NS |
Embryos frozen | 0.40 ± 0.51 | 0.35 ± 0.51 | 0.27 ± 0.45 | c |
Top-quality embryos | 0.32 ± 0.49 | 0.22 ± 0.43 | 0.16 ± 0.37 | c |
Premature ovulation | 19(4.71%) | 24(12.37%)) | 63(30.58%) | P < 0.001 |
IVF cycles without embryo frozen | 241(59.8%) | 122(63.5%) | 142(68.9%) | c |