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

  1. CEFM continuous external fetal monitoring, NICU neonatal intensive care unit, IVH intraventricular haemorrhage, graded according to Papille’s classification, NEC necrotising enterocolitis, Bell’s classification stage 2 or 3).