| 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] |