Table 1 Baseline characteristics
Control group | Intervention group hCG | P value | |
|---|---|---|---|
n 109 | n 101 | ||
Age in years (mean _ SD, range) | 7.3 ± 4.0 | 36.4 ± 4.5 | .151 |
Body mass index (mean _ SD, range) | 26.9 ± 2.9 | 27.1 ± 2.7 | .572 |
Infertility duration years (mean _ SD, range) | 3.5 ± 1.6 | 3.3 ± 1.6 | .578 |
Previous IVF cycles | 32 (29.3%) | 28 (27.7%) | .974 |
Number of Oocytes retrieved (mean _ SD, range) | 9.6 ± 7.3 | 8.9 ± 5.0 | .483 |
Number of Fertilised oocytes (mean _ SD, range) | 6.6 ± 3.6 | 6.3 ± 3.3 | .594 |
Infertility types | |||
Female | 32 (29.3%) | 28 (27.7%) | |
Male | 22 (20.1%) | 19 (18.8%) | |
Mixed | 42 (38.5%) | 44 (43.5%) | |
Idiopathic | 13 (11.9%) | 10 (9.9%) | |
Technique | |||
IVF | 67 (61.5%) | 53 (52.5%) | |
ICSI | 37 (33.9%) | 39 (38.6%) | |
PICSI | 5 (4.6%) | 9 (8.9%) | |
Types of embryos | |||
Fresh embryos from non-donor | 43 (39.4%) | 53 (52.5%) | |
Thawed embryos from non-donor | 30 (27.5%) | 25 (24.8%) | |
Donor fresh embryos | 29 (26.6%) | 17 (16.8%) | |
Donor thawed embryos | 4 (3.7%) | 1 (1.0%) | |
Thawed oocytes from non-donor | 3 (2.8%) | 5 (5.0%) | |
Fertilisation rate per retrieved oocytes | 74.8% ± 19.2 | 75.1% ± 18.9 | .931 |
Embryos transferred (mean _ SD, range) | 2.1 ± 0.6 | 2.1 ± 0.5 | .469 |