Factors affecting failed trial of labor and countermeasures: A retrospective analysis

Table 4 Analysis of indications for conversion to cesarean section in failed trial of labor

Indication for conversion to cesarean section	Frequency	Constituent ratio (%)	Ordinal position
Fetal distress	477	44.3	1
Social factors	138	12.8	2
Malpresentation	101	9.4	3
Cephalopelvic disproportion	96	8.9	4
Prolonged labor/active stage retention	56	5.2	5
Chorioamnionitis	51	4.7	6
Macrosomia	48	4.5	7
Fever during labor	20	1.9	8
Placental abruption	16	1.5	9
Pregnancy complication	15	1.4	10
Oligohydramnios	14	1.3	11
Other	14	1.3	11
Premature rupture of membranes	10	0.9	12
Umbilical abnormality	10	0.9	12
Induction failure	5	0.5	13
Scarred uterus	5	0.5	13