| Table 1. Comparison of ovarian response to COS and laboratorial ICSI outcomes between GnRHa short and control groups | |||
| Variable | GnRHa short group (n=25) | Control group (n=64) | P-value |
| Female age (y-old) | 31.5 ± 2.9 | 31.6 ± 3.1 | 0.5962 |
| Total dose of rFSH administered (IU) | 1,722 ± 691 | 2,221 ± 521 | <0.001 |
| Estradiol serum levels on the day of hCG trigger (pg/ml) | 3,473 ± 2,763 | 2,400 ± 1,940 | 0.0414 |
| Number of follicles | 17.1 ± 10.6 | 21.2 ± 13.4 | 0.1811 |
| Number of retrieved oocytes | 13.7 ± 8.6 | 14.9 ± 9.9 | 0.6067 |
| Number of mature oocytes | 10.5 ± 7.8 | 10.5 ± 8.1 | 0.9927 |
| Fertilization rate (%) | 73.1 | 75.5 | 0.6077 |
| High quality embryos rate on D3 (%) | 73.0 | 70.9 | 0.6886 |
| High quality embryos rate on D5 (%) | 57.5 | 60.9 | 0.5361 |
| Cycles transferred (%) | 24/25 (96.0) | 60/64 (93.8) | 0.8542 |
| Mean number of transferred embryos | 2.4 ± 0.7 | 2.3 ± 0.9 | 0.5414 |
| Note: COS: controlled ovarian stimulation; GnRHa: GnRH agonist; IU: international unit; D3: day 3 of embryo development; D5: day 5 of embryo development. | |||