Table 2 Characteristics of the stimulation cycle
Variables | PPOS group (n = 120) | Antagonist group (n = 120) | P-value |
|---|---|---|---|
Starting dose of FSH (IU) | 225.0 (225.0-225.0) | 225.0 (225.0-225.0) | 0.134 |
Total dosage of FSH (IU) | 1800.0 (1575.0-2025.0) | 1800.0 (1575.0-2212.5) | 0.010 |
Duration of stimulation (days) | 8.0 (7.0-8.8) | 8.0 (7.0–9.0) | 0.053 |
Serum estradiol level on trigger day (pg/ml) | 1870.5 (912.7-2940.1) | 1061.3 (592.0-2614.1) | 0.007 |
Serum LH level on trigger day (IU/l) | 4.3 (2.7–5.9) | 2.4 (1.6–3.6) | 0.000 |
Serum progesterone level on trigger day (ng/ml) | 0.9 (0.6–1.2) | 0.8 (0.6–1.2) | 0.588 |
Premature ovulation (%) | 0.8 (1/120) | 0.8 (1/120) | 1 |
No. of retrieved oocytes (n) | 6.0 (3.0–10.0) | 5.0 (3.0–10.0) | 0.914 |
No. of mature occytes (n) | 4.5 (2.0–8.0) | 4.0 (3.0–9.0) | 0.980 |
No. of oocytes fertilized (n) | 3.0 (2.0–7.0) | 3.0 (2.0–6.0) | 0.728 |
Fertilization rate (%) | 94.4 (75.0-100) | 92.9 (75.0-100) | 0.746 |
Cleavage rate (%) | 100 (100–100) | 100 (100–100) | 0.648 |
No. of blastocysts formation (n) | 1.5 (0–3.0) | 1.0 (0–3.0) | 0.422 |
Blastocysts formation rate (%) | 59.4 (33.3–100) | 50.0 (33.3–80) | 0.299 |
Total No. of euploid blastocysts | 93 | 97 | Â |
No. of euploid blastocysts (n) | 0 (0–1.0) | 0 (0–1.0) | 0.995 |
Euploid blastocysts rate per injected oocyte (%) | 12.5 (0–25.0) | 16.0 (0-27.7) | 0.477 |
Euploid blastocysts rate per woman (%) | 33.3 (0-66.7) | 50.0 (0-66.7) | 0.459 |
No. of cycles with no blastocyst for biopsy (%) | 27.5 (33/120) | 30.0 (36/120) | 0.669 |
No. of cycles with no euploid blastocysts for transfer (%) | 52.5 (63/120) | 55.0 (66/120) | 0.698 |