Table 5: Neonatal outcomes after 1 previous cesarean section (CS), by planned mode of delivery and number of previous vaginal births* .
|
|
No previous vaginal deliveries |
≥ 1 Previous vaginal deliveries |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Neonatal outcome | Planned vaginal, no. (%) n = 7 310 |
Planned CS, no. (%) n = 16 442 |
RR (95% CI) | Planned vaginal, no. (%) n = 3 533 |
Planned CS, no. (%) n = 1 374 |
RR (95% CI) | |||||||
| Life-threatening or death | |||||||||||||
| Intrapartum stillbirth |
2 |
(0.03) |
0 |
|
– |
0 |
|
0 |
|
– |
|||
| Death at ≤ 7 d |
3 |
(0.04) |
2 |
(0.01) |
3.37 |
(0.56–20.19) |
0 |
|
0 |
|
– |
||
| Death at 8–28 d |
0 |
|
5 |
(0.03) |
– |
0 |
|
0 |
|
– |
|||
| Admission to level III NICU† |
40 |
(0.5) |
59 |
(0.4) |
1.52 |
(1.02–2.28) |
7 |
(0.2) |
8 |
(0.6) |
0.34 |
(0.12–0.94) |
|
| Ventilation required |
18 |
(0.2) |
26 |
(0.2) |
1.56 |
(0.85–2.84) |
6 |
(0.2) |
5 |
(0.4) |
0.47 |
(0.14–1.53) |
|
| Apgar score of ≤ 3 at 5 min |
13 |
(0.2) |
4 |
(0.02) |
7.31 |
(2.38–22.41) |
1 |
(0.03) |
0 |
|
– |
||
| Hypoxic Ischemic encephalopathy |
1 |
(0.01) |
0 |
|
– |
0 |
|
0 |
|
– |
|||
| Intraventricular hemorrhage |
0 |
|
0 |
|
– |
0 |
|
0 |
|
– |
|||
| ≥ 1 Life-threatening outcome |
61 |
(0.8) |
83 |
(0.5) |
1.65 |
(1.19–2.30) |
13 |
(0.4) |
10 |
(0.7) |
0.51 |
(0.22–1.15) |
|
| Non–life threatening | |||||||||||||
| Admission to level II NICU‡ |
234 |
(3.2) |
624 |
(3.8) |
0.84 |
(0.73–0.98) |
93 |
(2.6) |
71 |
(5.2) |
0.51 |
(0.38–0.69) |
|
| > 24 h of oxygen required |
29 |
(0.4) |
93 |
(0.6) |
0.7 |
(0.46–1.06) |
9 |
(0.2) |
13 |
(0.9) |
0.27 |
(0.12–0.63) |
|
| Apgar score of 4–6 at 5 min |
79 |
(1.1) |
37 |
(0.2) |
4.8 |
(3.25–7.09) |
30 |
(0.8) |
3 |
(0.2) |
3.89 |
(1.19–12.72) |
|
| Birth trauma |
26 |
(0.4) |
14 |
(0.08) |
4.18 |
(2.18–7.99) |
18 |
(0.5) |
1 |
(0.07) |
7 |
(0.94–52.39) |
|
| ≥ 1 Non–life threatening outcome | 326 | (4.5) | 713 | (4.3) | 1.03 | (0.90–1.17) | 139 | (3.9) | 81 | (5.9) | 0.67 | (0.51–0.87) | |
Note: CI = confidence interval, NICU = neonatal intensive care unit, RR = relative risk. *Excludes infants with congenital anomalies. †Baby had high acuity or was at risk of high acuity, and required multispecialty care. ‡Baby required increased observation and acute management.