Table 3.
Treatment outcome for women with blastocyst transfer in cycles with high or low basal FSH level stratified according to age
| Low FSH | High FSH | |||||
|---|---|---|---|---|---|---|
| Age < 38 | Age ≥ 38 | P | Age < 38 | Age ≥ 38 | P | |
| Number of patients | 240 | 126 | NA | 18 | 14 | NA |
| Mean age ± SD | 33.1 ± 3.3 | 39.9 ± 4.1 | NA | 34.8 ± 4.2 | 39.5 ± 4.4 | NA |
| Basal FSH levels IU/L ± SD | 6.8 ± 2.3 | 7.7 ± 2.8 | NA | 12.4 ± 2.6 | 14.3 ± 2.6 | NA |
| No. of oocytes collected ± SD | 12.7 ± 6.6 | 12.6 ± 5.1 | NS | 10.5 ± 2.6 | 9.1 ± 3.4 | NS |
| No of embryos transferred ± SD | 1.52 ± 0.2 | 1.81 ± 0.6 | NS | 1.72 ± 0.33 | 1.57 ± 0.69 | NS |
| Pregnancy rate (%) | 170/240 (70.8%) | 76/126 (60.3%) | 0.028 | 13/18 (72.2%) | 8/14 (57.1%) | 0.032 |
| Implantation rate (%) | 210/365 (57.5%) | 94/228 (41.2%) | 0.009 | 14/31 (45.2%) | 5/22 (22.7%) | 0.005 |
| Live birth rate (%) | 137/240 (57.1%) | 53/126 (42.1%) | 0.007 | 11/18 (61.1%) | 3/14 (21.4%) | 0.028 |
NS difference not statistically significant (P > 0.05); NA not applicable