From: Experience of childbirth in first-time mothers of advanced age – a Norwegian population-based study
Maternal age, yrs | n | % | Adjusted OR* | 95% CI |
---|---|---|---|---|
Spontaneous vaginal birth | ||||
25-31 years | 2342 | 16.1 | 1.00 | |
32-37 years | 831 | 17.7 | 1.12 | 1.03-1.23 |
≥38 years | 82 | 16.7 | 1.08 | 0.84-1.39 |
Instrumental vaginal delivery | ||||
25-31 years | 1602 | 45.3 | 3.41 | 3.13-3.70 |
32-37 years | 639 | 43.3 | 3.14 | 2.79-3.52 |
≥38 years | 83 | 43.2 | 3.03 | 2.25-4.08 |
Emergency cesarean delivery | ||||
25-31 years | 1135 | 55.1 | 4.89 | 4.42-5.41 |
32-37 years | 519 | 51.4 | 4.29 | 3.74-4.92 |
≥38 years | 84 | 45.7 | 3.75 | 2.75-5.13 |
Elective cesarean delivery | ||||
25-31 years | 66 | 9.9 | 0.48 | 0.37-0.63 |
32-37 years | 37 | 8.6 | 0.44 | 0.31-0.62 |
≥38 years | 7 | 7 | 0.34 | 0.15-0.74 |