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Table 2 Incidence of postpartum haemorrhage in Wales dependent on mode of delivery

From: Incidence of postpartum haemorrhage defined by quantitative blood loss measurement: a national cohort

 

Unassisted vaginal

Instrumental vaginal

Elective caesarean section

Non-elective caesarean section

Estimated maternities in Wales in 2017

20,055

3106

4193

3987

Number (95% CI) blood loss > 1000 mL per 100 maternities

4.9

[4.6–5.2]

18.4

[17.1–19.8]

8.5

[7.7–9.4]

19.8

[18.6–21.0]

Number (95% CI) blood loss > 1500 mL per 100 maternities

2.1

[1.9–2.3]

6.8

[6.0–7.78]

2.9

[2.4–3.4]

8.2

[7.4–9.1]

Number (95% CI) blood loss > 2000 mL per 100 maternities

0.80

[0.68–0.93]

2.7

[2.2–3.3]

1.0

[0.74–1.4]

3.3

[2.8–3.9]