Journal of Pregnancy / 2015 / Article / Tab 1

Clinical Study

Determinants and Outcomes of Emergency Caesarean Section following Failed Instrumental Delivery: 5-Year Observational Review at a Tertiary Referral Centre in London

Table 1

Characteristics of women who had a failed instrumental vaginal delivery.

Characteristics

Body mass index >30 Kg/m210 (8.4%)

Onset of labourSpontaneous87 (73.1%)
Induced21 (17.6%)
Augmented11 (9.2%)

Use of oxytocinNone44 (37.0%)
Yes75 (63.0%)
<4 cm = 19, 4–7 cm = 30, 8–10 cm = 26

Position of fetal headRight/left/direct occipitoanterior34 (28.5%)
Right//left/direct occipitoposterior40 (33.6%)
Occipitotransverse43 (36.1%)
Others2 (1.8%)

Station of the fetal head (distance of the leading bony point of fetal skull below the ischial spines, measured in centimeters)Above −11
−12
068
+148
+22

Fetal sizeMean 3588 g (2365 g–4840 g)

Operator experience Trainee <5 years13 (10.9%)
Trainee 6-7 years82 (68.9%)
Consultant (>8 years)24 (20.2%)

Time of decision to perform operative vaginal birth 0800–170036 (30.3%)
1701–200011 (9.2%)
2001–075972 (60.5%)

Length of second stage of labour (in cases where the indication was “failure to progress”)<3 hr5.2%
3.01–≤4 hr14.4%
≥4.01 hr80.4%

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.