Table 2 Clinical and neonatal outcomes in the two groups
Group A (n = 446) | Group B (n = 1200) | P | |
|---|---|---|---|
Implantation rate | 49.2% (439/892) | 54.8% (1314/2400) | 0.01 |
Clinical pregnancy rate | 71.3% (318/446) | 74.7% (896/1200) | 0.17 |
Ectopic pregnancy rate | 1.3% (4/318) | 2.7% (24/896) | 0.15 |
Abortion rate | 8.8% (28/318) | 9.7% (87/896) | 0.64 |
Live birth rate | 64.1% (286/446) | 65.4% (785/1200) | 0.63 |
Number of foetuses | 0.02 | ||
Singleton | 190 (66.4%) | 461 (58.7%) | |
Twin | 96 (33.6%) | 324 (41.3%) | |
Birthweight | |||
Singleton | 3346 ± 545 | 3318 ± 563 | 0.67 |
Twin | 2596 ± 402 | 2567 ± 436 | 0.40 |
Low birth weight | |||
Singleton | 4.2% (8/190) | 4.8% (22/461) | 0.76 |
Twin | 35.4% (68/192) | 39.0% (253/648) | 0.36 |
Gestational age | |||
Singleton | 38.8 ± 1.5 | 38.7 ± 1.8 | 0.42 |
Twin | 36.5 ± 1.9 | 36.4 ± 1.9 | 0.86 |
Preterm birth | |||
Singleton | 7.9% (15/190) | 5.9% (27/461) | 0.34 |
Twin | 39.6% (38/96) | 36.4% (118/324) | 0.57 |