Case reporting and completeness of data collection.

<p>Case reporting and completeness of data collection.</p

Risk factors for placenta accreta/increta/percreta.

*<p>Percentage of individuals with complete data.</p>¥<p>Includes myomectomy, dilation & curettage, surgical termination of pregnancy, evacuation of retained products of conception & manual removal of placenta.</p>‡<p>Adjusted for all factors in the table apart from socio-economic group, previous caesarean uterine incision type(s), previous uterine perforation and interval between last caesarean section and last menstrual period. When adjusting for age, BMI and parity, these variables have been treated as a continuous linear term in the analysis.</p

Risk factors for uterine rupture in women with prior delivery by caesarean section.

a<p>Percentage of individuals with complete data.</p>b<p>Adjusted for woman's age as a continuous linear term, ethnicity, body mass index as a continuous linear term, parity as a continuous linear term, number of previous caesarean deliveries as a continuous linear term, previous uterine surgery, interval between last caesarean section and last menstrual period as a categorical term, placenta praevia, and macrosomia.</p>c<p>Labour either not induced or induced without prostaglandin.</p

Risk factors for uterine rupture in women with prior delivery by caesarean section who planned to have a vaginal delivery in current pregnancy.

a<p>Percentage of individuals with complete data.</p>b<p>Adjusted for woman's age as a continuous linear term, ethnicity, body mass index as a continuous linear term, parity as a continuous linear term, number of previous caesarean deliveries as a continuous linear term, previous uterine surgery, interval between last caesarean section and last menstrual period as a categorical term, and macrosomia.</p>c<p>Labour either not induced or induced without prostaglandin.</p

Uterine rupture cases by gestational age at rupture, labour, and previous caesarean section status.

<p>Uterine rupture cases by gestational age at rupture, labour, and previous caesarean section status.</p

Risk of uterine rupture according to the interval between the last caesarean section and start of current pregnancy.

<p>Adjusted for woman's age as a continuous linear term, ethnicity, body mass index as a continuous linear term, parity as a continuous linear term, number of previous caesarean deliveries as a continuous linear term, previous uterine surgery, placenta praevia, macrosomia, and planned mode of delivery.</p

Risk factors for uterine rupture in women with prior delivery by caesarean section.

a<p>Percentage of individuals with complete data.</p>b<p>Adjusted for all factors in the table apart from socio-economic group, previous uterine incision type(s), previous caesarean uterine closure type(s), previous uterine perforation, and twin pregnancy. When adjusting for age, body mass index, parity, and number of previous caesarean deliveries, these variables have been treated as a continuous linear term in the analysis.</p

Estimated incidence of placenta accreta/increta/percreta for different categories of women.

¥<p>Categories are not mutually exclusive.</p

Estimated incidence of uterine rupture in different categories of women.

a<p>Labour either not induced or induced without prostaglandin.</p

Case reporting and completeness of data collection.

<p>Case reporting and completeness of data collection.</p