Table 1.
Obstetric characteristics and the newborn data.
| Mother | |
|---|---|
| Primigravida/multigravida | 5/6 |
| Gestational age (weeks) | 40 (39–40) |
| Time (min) | |
| Rupture of membranes | 180 (45–390) |
| Stage I labour | 365 ± 22 |
| Stage II labour | 15 (10–40) |
| Labour analgesia (n) | |
| None | 2 |
| Meperidine | 3 |
| Meperidine/Entonox | 3 |
| Nalbuphine/Entonox | 1 |
| Nalbuphine/TENS/Entonox | 1 |
| Nalbuphine/Meperidine | 1 |
| Maternal body temperature during II stage of labour (°C) | 36.5 ± 0.3 |
| Newborn | |
| Male/female (n) | 6/5 |
| Body mass (g) | 3755 ± 761 |
| Placenta weight (g) | 669 ± 102 |
| Apgar score 1st min | 10 (10–10) |
| Apgar score 5th min | 10 (10–10) |
| Cord blood gas and pH post labour | |
| - Umbilical artery | |
| pHa | 7.26 ± 0.10 |
| Pao2 (mmHg) | 26.9 ± 7.3 |
| Paco2 (mmHg) | 51.0 ± 12.8 |
| BEa | –5.5 ± 2.1 |
| - Umbilical vein | |
| pHv | 7.30 ± 0.07 |
| Pvo2 (mmHg) | 27.1 ± 6.8 |
| Pvco2 (mmHg) | 42.2 (35.3–48.7) |
| BEv | −5.4 ± 1.9 |
Categorized data are presented as numbers, data fitting normal distribution are presented as means ± standard deviation, data that don’t fit normal distribution – as median (interquartile range).
TENS - Transcutaneous electrical nerve stimulation, BE – base excess.