Fetal characteristics
| ICC | ICC+SI | PBCC | PBCC+SI | |
| n | 10 | 6 | 8 | 7 |
| Birth weight (kg) | 4.1 (0.5) | 4.6 (0.3) | 5.1 (0.7) | 4.7 (0.7) |
| Males n, (%) | 6 (60) | 4 (66) | 4 (50) | 2 (29) |
| pH | 7.23 (0.06) | 7.27 (0.02) | 7.21 (0.06) | 7.23 (0.07) |
| PaCO2 (mm Hg) | 57.2 (9.7) | 53.3 (7.3) | 65.8 (10.1) | 58.5 (4.0) |
| PaO2 (mm Hg) | 18.6 (5.5) | 28.0 (5.9) | 20.5 (6.7) | 22.3 (5.7) |
| Lactate | 6.1 (2.9) | 3.1 (1.2) | 4.9 (2.9) | 4.5 (1.6) |
| SaO2 (%) | 38.0 (16.2) | 66.2 (10.2) | 40.1 (21.9) | 52.0 (16.2) |
| SctO2 (%) | 46.3 (6.6) | 53.7 (11.5) | 48.0 (8.2) | 45.0 (10.3) |
Fetal blood gas collected after surgical instrumentation and immediately prior to initiation of asphyxia. Data are presented as mean (SD), unless indicated.
ICC, immediate cord clamping; PaCO2, partial pressure of arterial carbon dioxide; PaO2, partial pressure of arterial oxygen; PBCC, physiological-based cord clamping; SaO2, saturation of arterial oxygen; SctO2, cerebral tissue oxygen index as measured by near-infrared spectrometry; SI, sustained inflation.