Risk Ratios (RRs) and 95% confidence intervals (CIs) for primary cesarean delivery associated with maternal and infant factors.

<p>Risk Ratios (RRs) and 95% confidence intervals (CIs) for primary cesarean delivery associated with maternal and infant factors.</p

The joint effects of maternal BMI and maternal glucose tolerance status and primary cesarean delivery.

<p>The joint effects of maternal BMI and maternal glucose tolerance status and primary cesarean delivery.</p

Demographic characteristics by calendar year: Kaiser Permanente Northern California, 2001–2010¹.

<p>Demographic characteristics by calendar year: Kaiser Permanente Northern California, 2001–2010<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0199932#t001fn001" target="_blank">¹</a>.</p

Risk Ratios (RRs)¹ and 95% confidence intervals (CIs) for primary cesarean delivery associated with maternal cardiometabolic risk factors, stratified by infant size at delivery.

<p>Risk Ratios (RRs)<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0199932#t003fn001" target="_blank">¹</a> and 95% confidence intervals (CIs) for primary cesarean delivery associated with maternal cardiometabolic risk factors, stratified by infant size at delivery.</p