[Rupture of membranes in case of internal podalic version: a risk for cesarean section on the second twin].

Objectives: To evaluate if internal version with ruptured membranes is a risk factor of cesarean section for the second twin.

Patients And Methods: Two hundred and fifty-nine twins vaginal deliveries after 33 weeks of gestation from 1997 to 2009 in a level 3 maternity. A retrospective case-control study comparing two groups: cases of cesarean section on second twin and five twins vaginal deliveries following the case.