Table 1.
Clinical pregnancy after FET, n=21 |
Not pregnant after FET, n=69 |
P value | ||
---|---|---|---|---|
Fresh | Age, yrs | 32.7±3.7 | 33.6±4.3 | 0.43a |
cycle | FSH, mIU/ml | 6.6±2.1 | 6.3±1.9 | 0.58a |
E2 on the day of hCG, pg/mL | 2543(2106–3989) | 2555(1665–3354) | 0.45b | |
E2 post hCG, pg/mL | 3258(2546–4300) | 3019(3076–4300) | 0.62b | |
P on the day of hCG, ng/mL | 1.5 (1.1–1.7) | 0.8 (0.6–1.3) | <0.01b d | |
P post hCG, ng/mL | 7.2 (4.2–9.9) | 4.7 (2.7–6.5) | 0.03b d | |
ICSI | 10 (47.6) | 35 (50.7) | 0.80c | |
Oocytes retrieved | 18.3±8.0 | 16.6±8.3 | 0.45a | |
Mature oocytes | 15.7±7.0 | 13.7 ± 6.2 | 0.25a | |
Oocytes fertilized | 12.5±5.1 | 10.3±4.0 | 0.05a | |
Embryos transferred | 2.6±0.5 | 2.8±0.8 | 0.51a | |
Blastomeres per embryo transferred | 8.1±0.5 | 8.1±0.8 | 0.90a | |
Embryos available on Day 3 | 10.5±3.7 | 8.6±3.0 | 0.02a d | |
Clinical pregnancy following fresh ET | 15 (71.4) | 28 (40.6) | 0.01c d | |
FET | Age, yrs | 35.0±3.7 | 34.8±4.4 | 0.83a |
cycle | Endometrial thickness, mm | 9.1 ±2.6 | 8.5±3.4 | 0.55a |
Post-thaw blastomere survival, % | 82.6±12.3 | 77.1±22.1 | 0.31a | |
Embryos transferred | 3.0±0.6 | 2.8±0.8 | 0.38a | |
Blastomeres/ embryo transferred | 6.7±1.9 | 5.9±1.6 | 0.08a |
Note: Continuous data are presented as means ± SD (if normally distributed) or as median (interquartile range) if skewed; categorical data are presented as n (%)
Student Test.;
Mann-Whitney;
chi square;
Denotes statistical significance