Table 3 Characteristics of participants sustaining an OASIs
From: Incidence of obstetric anal sphincter injuries following breech compared to cephalic vaginal births
Type of OASIs | BMI | Vaginal parity | Age at delivery | History of OASIs | Gestational age | Presentation | Labor | Total duration of labor in minutes | Duration of second stage of labour in minutes | Birthweight in grams |
|---|---|---|---|---|---|---|---|---|---|---|
3A | 21.8 | 1 | 32 | No | 38+ 6 | Breech | Spontaneous | 459 | 59 | 3000 |
3A | 25.6 | 1 | 28 | No | 41 | Breech | Spontaneous | 386 | 86 | 3610 |
3B | 23.8 | 1 | 30 | No | 40+ 5 | Cephalic | Spontaneous | 735 | 268 | 3250 |
3A | 27 | 3 | 24 | No | 41+ 4 | Cephalic | Induced | 350 | 50 | 3550 |
3 | 19 | 1 | 25 | No | 39+ 6 | Cephalic | Spontaneous | 90 | - | 2670 |
3 | 19.6 | 1 | 25 | No | 40+ 4 | Cephalic | Spontaneous | 420 | - | 3670 |
3 | 25.8 | 1 | 23 | No | 40+ 2 | Cephalic | Spontaneous | - | - | 3660 |