Successful External Cephalic Version: Factors Predicting Vaginal Birth

Table 6

Factors predicting successful vaginal delivery following successful external cephalic version.

	Vaginal + instrumental delivery (𝑛=47)	Caesarean section (𝑛=20)	𝑃 value
Age (years)	29.57±4.26	30.70±5.14	0.356
Gestation at ECV (days)	263.13±6.12	262.85±7.54	0.875
Gestation at delivery
≤40 weeks/≤280 days	30 (73.1%)	11 (26.9%)	𝜒^2=0.461,; 𝑃=0.587
>40 weeks/>280 days	17 (65.4%)	9 (34.6%)
Interval from ECV to delivery (days)	14.34±8.54	16.20±9.71	0.436
Parity
Nulliparous	20 (60.6%)	13 (39.4%)	𝜒^2=2.828,; 𝑃=0.093
Multiparous	27 (79.4%)	7 (20.6%)
BMI
<25 kg/m^2	20 (64.5%)	11 (35.5%)	𝜒^2=0.874,; 𝑃=0.350
≥25 kg/m^2	27 (75.0%)	9 (25.0%)
Placenta
Anterior	13 (59.1%)	9 (40.9%)	𝑃=0.509
Posterior	27 (79.4%)	7 (20.6%)
Fundal	7 (63.6%)	4 (36.4%)
Type of breech
Flexed	19 (55.9%)	15 (44.1%)	𝑃=𝟎.𝟎𝟏𝟎
Extended	28 (84.8%)	5 (15.2%)
AFI (cm)	14.15±2.39	12.89±2.44	𝑃=0.054
AFI (cm)
<13	14 (48.3)	15 (51.7)	𝜒^2=𝟏𝟏.𝟔𝟖𝟑,; 𝑃=𝟎.𝟎𝟎𝟏
13 and >13	33 (86.8)	5 (13.2)
Sonographic EFW
<3.0 kg	34 (70.8%)	14 (29.2%)	𝜒^2=0.038,; 𝑃=0.846
≥3.0 kg	13 (68.4%)	6 (31.6%)
Birth weight
<3.0 kg	16 (80.0%)	4 (20.0%)	𝜒^2=1.321,; 𝑃=0.250
≥3.0 kg	31 (66.0%)	16 (34.0%)
Gender
Male	19 (59.4%)	13 (40.6%)	𝜒^2=3.396,; 𝑃=0.065
Female	28 (80.0%)	7 (20.0%)

All quantitative data expressed in mean ± SD. EFW: Estimated Fetal Weight.