Clinical implications
For clinical utility, a nomogram for the prediction of cesarean delivery
after induction was constructed according to the final prediction model
(Figure 1). In addition, a web-based calculator was created to estimate
the likelihood of cesarean delivery after IOL in twin pregnancies
(Figure 2, http://snuhtwin.com/). The nomogram and calculator will
be useful when considering counseling for labor induction in twin
pregnant women without contraindications for vaginal delivery. In
particular, this predictive calculator can be used to provide clinical
information for twin pregnant women who are considering IOL.