| Parameters | Uterine test | p-value | |
| Successful (n = 71) | failure (n = 40) | ||
| Sex of newborns | |||
| Female | 40 (69.0) | 18 (31.0) | 0.251 |
| Male | 31 (58.5) | 22 (41.5) | |
| Birth weight (in grams) | |||
| <2500 | 2 (50.0) | 2 (50.0) | |
| 2500 - 3500 | 68 (66.1) | 35 (33.9) | 0.205 |
| >3500 | 1 (25.0) | 3 (75.0) | |
| Neonatal resuscitation | |||
| No | 69 (66.3) | 35 (33.7) | 0.044 |
| Yes | 2 (28.6) | 5 (71.4) | |