| Control | Ovulation disorder | Tubal disease | Endometriosis | Male infertility | Mixed infertility | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Singleton Pregnancies | N | % | N | % | N | % | N | % | N | % | N | % |
 | 6832 |  | 271 |  | 542 |  | 74 |  | 267 |  | 87 |  |
Gestational weeks | 38.8±1.5 |  | 38.3±1.8* |  | 38.5±1.6* |  | 38.3±1.8^ |  | 38.5±1.8^ |  | 38.1±1.9* |  |
Preterm birth | 355 | 5.2 | 25 | 9.2^ | 36 | 6.6 | 7 | 9.5 | 20 | 7.5 | 11 | 12.6^ |
34≤PTD<37 wk | 267 | 3.9 | 17 | 6.3 | 29 | 5.4 | 5 | 6.8 | 16 | 6 | 9 | 10.3^ |
28≤PTD<34 wk | 88 | 1.3 | 8 | 3^ | 7 | 1.3 | 2 | 2.7 | 5 | 1.9 | 2 | 2.3 |
Birthweight, g( Mean±SD) | 3370±474 |  | 3379±580 |  | 3382±498 |  | 3244±502^ |  | 3335±519 |  | 3278±518 |  |
Birthweight centile(Mean±SD) | 57.29±24.81 |  | 59.51±26.60 |  | 57.29±26.02 |  | 51.84±27.97 |  | 55.28±26.80 |  | 57.37±26.53 |  |
< 2500 g | 236 | 3.5 | 17 | 6.3^ | 21 | 3.9 | 4 | 5.4 | 13 | 4.9 | 6 | 6.9 |
< 1500 g | 38 | 0.6 | 4 | 1.5 | 3 | 0.6 | 0 | 0 | 3 | 1.1 | 1 | 1.1 |
SGA | 281 | 4.1 | 18 | 6.6^ | 21 | 3.9 | 7 | 9.5^ | 12 | 4.5 | 5 | 5.7 |
Macrosomia | 521 | 7.6 | 31 | 11.4^ | 64 | 11.8* | 10 | 13.5 | 20 | 7.5 | 6 | 6.9 |
Body length, cm | 50.55±41.78 |  | 49.85±2.37 |  | 50.02±1.88 |  | 49.73±2.01 |  | 49.92±2.04 |  | 49.63±2.12^ |  |
1-Minute Apgar score≤7 | 64 | 0.9 | 5 | 1.8 | 4 | 0.7 | 0 | 0 | 4 | 1.5 | 4 | 4.6* |
5-Minute Apgar score≤7 | 10 | 0.1 | 1 | 0.4 | 3 | 0.6* | 0 | 0 | 0 | 0 | 0 | 0 |
NICU admission | 728 | 10.7 | 48 | 17.7* | 72 | 13.3 | 17 | 23* | 33 | 12.4 | 15 | 17.2^ |