| N = 313 patients without severe OHSS | N = 40 patients with severe OHSS | p |
---|---|---|---|
Long protocol (n) | 111 | 16 | Â |
Antagonist protocol (n) | 202 | 24 | Â |
Duration of stimulation (days) | 10.9 ± 1.5 | 10.6 ± 1.4 | 0.220 |
Total FSH (IU) | 1909 ± 636 | 1890 ± 740 | 0.014 |
Number of follicles on day of hCG | 29.0 ± 4.4 | 33.8 ± 7.0 | <0.001 |
Oestradiol on day of hCG (pg/ml) | 2956 ± 1289 | 3687 ± 1450 | <0.001 |
Progesterone on day of hCG (ng/ml) | 0.99 ± 0.44 | 1.1 ± 0.46 | 0.183 |
Number of oocytes retrieved | 24.1 ± 6.1 | 32.0 ± 11.0 | <0.001 |
Mature oocytes (in ICSI patients) | 14.8 ± 6.6 | 20.7 ± 12.7 | <0.001 |
Type of fertilization (IVF/ICSI/ IVF + ICSI) | 72/160 /81 | 13/15/12 | 0.236 |
Number of 2PN | 13.5 ± 10.3 | 18.4 ± 9.1 | <0.001 |
Number of embryo transfers performed | 303 | Â | Â |
Day of embryo transfer (Day3/Day5) | 131/172 | Â | Â |
Number of embryos transferred | 2.7 ± 0.6 |  |  |