Table 1 Information for fetuses (or babies) born between 22 + 0 and 26 + 6 completed weeks of gestation between 1st January 2011 and 31st December 2013 at University College London Hospital NHS Foundation Trust who were alive at the onset of labour or when a decision was made to perform Caesarean section.
From: Maternal and infant morbidity following birth before 27 weeks of gestation: a single centre study
Gestational age (weeks) | 22 | 23 | 24 | 25 | 26 | 22–26 |
|---|---|---|---|---|---|---|
N (%) | 4 (2.6) | 24 (15.4) | 42 (26.9) | 45 (28.8) | 41 (26.3) | 156 (100.0) |
Pregnancy type | ||||||
Singleton | 1 | 15 | 26 | 34 | 27 | 103 |
Multiple | 3 | 9 | 16 | 11 | 14 | 53 |
Exposure to antenatal treatments | ||||||
Tocolysis | 2 | 3 | 10 | 6 | 3 | 24 |
Antenatal steroids | 3 | 24 | 42 | 43 | 39 | 151 |
Magnesium sulphate | 2 | 0 | 26 | 18 | 24 | 70 |
Labour monitoring | ||||||
CEFM | 0 | 2 | 4 | 15 | 20 | 41 |
Intermittent auscultation | 4 | 20 | 36 | 29 | 16 | 105 |
None | 0 | 2 | 2 | 1 | 5 | 10 |
Mode of delivery | ||||||
Vaginal | 4 | 21 | 34 | 36 | 21 | 116 |
Caesarean | 0 | 3 | 8 | 9 | 20 | 40 |
Presentation at delivery | ||||||
Cephalic | 2 | 15 | 19 | 21 | 24 | 81 |
Breech | 2 | 8 | 19 | 21 | 14 | 64 |
Transverse | 0 | 1 | 4 | 3 | 3 | 11 |
Obstetrician at delivery | ||||||
Consultant | 0 | 6 | 20 | 15 | 23 | 64 |
Registrar | 2 | 11 | 18 | 24 | 17 | 72 |
Midwife | 1 | 5 | 3 | 4 | 1 | 14 |
None/unknown | 1 | 2 | 1 | 2 | 0 | 6 |
Neonatologist at delivery | ||||||
Consultant | 4 | 16 | 22 | 27 | 23 | 92 |
Registrar | 0 | 5 | 16 | 13 | 17 | 51 |
None/unknown | 0 | 3 | 4 | 5 | 1 | 13 |
Sex | ||||||
Female | 2 | 9 | 20 | 24 | 14 | 69 |
Male | 2 | 15 | 22 | 21 | 27 | 87 |
Birth weight (g) | ||||||
\(<500\) | 2 | 4 | 0 | 1 | 0 | 7 |
500–649 | 2 | 17 | 18 | 10 | 4 | 51 |
650–799 | 0 | 3 | 21 | 21 | 13 | 58 |
800+ | 0 | 0 | 3 | 13 | 24 | 40 |
Survival status | ||||||
Perinatal death | 1 | 2 | 4 | 4 | 1 | 12 |
Died on NICU | 2 | 4 | 9 | 8 | 4 | 27 |
Survived to discharge | 1 | 18 | 29 | 33 | 36 | 117 |
Morbidity among survivors to discharge | ||||||
No IVH | 1 | 13 | 21 | 25 | 29 | 89 |
IVH grade 1 or 2 | 0 | 3 | 3 | 5 | 4 | 15 |
IVH grade 3 or 4 | 0 | 2 | 5 | 3 | 3 | 13 |
NEC | 0 | 2 | 1 | 2 | 3 | 8 |