Table 2 Detailed information regarding vaginal deliveries

Type of vaginal delivery

Vaginal delivery

Vacuum-assisted extraction

Forceps-assisted extraction

Breech delivery

3271 (93.5%)

211 (6.0%)

12 (0.3%)

6 (0.2%)

Surgeon (can have more than 1 surgeon)

• Resident

- First year

- Second year

- Third year

• Fellowship

• Staff

- 30 to < 40 years

- 40 to < 50 years

- ≥ 50 years

• Resident and staff

• Medical students

• Nurses

1775 (50.7%)

844 (24.1%)

462 (13.2%)

2 (0.1%)

59 (1.7%)

54 (1.5%)

99 (2.8%)

77 (2.2%)

50 (1.4%)

155 (4.4%)

Timing

• Office hours (9.00 AM–4.00 PM)

• Outside office hours (4.00 PM–9.00 AM)

1286 (36.7%)

2214 (63.3%)

Anaesthesia

Local

Spinal

Epidural

Combined spinal and epidural anaesthesia

None

3349 (95.7%)

3 (0.1%)

55 (1.6%)

51 (1.5%)

42 (1.1%)

Duration of active phase of labour (hours)

< 6

6 to < 12

12 to < 18

18 to < 24

≥ 24

Birth before admission

N/A

2395 (68.4%)

486 (13.9%)

33 (0.9%)

12 (0.3%)

3 (0.1%)

59 (1.8%)

512 (14.6%)

Degree of perineal tear

No tear

First degree

Second degree

Third degree

Fourth degree

Abrasion

38 (1.1%)

112 (3.2%)

3104 (88.7%)

223 (6.4%)

11 (0.3%)

12 (0.3%)

Maternal complications (N = 449 [12.8%])

n (%)

Post-partum haemorrhage

Cervical injury

Vaginal injury

Labia injury

Puerperal infection

Other

256 (7.3%)

129 (3.7%)

77 (2.2%)

61 (1.7%)

7 (0.2%)

37 (1.1%)