<h4>Introduction</h4>To evaluate the impact of the mode of delivery of twin pregnancies with the first twin in breech position for all parities combined after introduction of a policy of planned caesarean section in 38 weeks' gestation in nulliparas.<h4>Material and methods</h4>A retrospective study of the mode of delivery of twin pregnancies with the first twin in breech position was conducted from January 2007 to December 2015 after the implementation of a planned caesarean section in 38 weeks' gestation in nulliparas. Maternal and neonatal outcomes were compared according to the decision of attempted vaginal or planned caesarean delivery.<h4>Results</h4>Among the 134 women included, an attempted vaginal delivery was decided for 30.6% women (n = 41), with 95% (n = 39) who delivered vaginally and 5% (n = 2) by caesarean section during labour. Among the 69.4% women (n = 93) with a planned caesarean section, 64.5% (n = 60) and 11.8% (n = 11) delivered by caesarean before labour and during labour, respectively, and 23.7% (n = 22) delivered vaginally. The overall vaginal delivery rate was 45.5%, and the overall rate of caesarean section was 54.5% for all parities combined. In nulliparous women, the rate of caesarean section during labour was 33%. There were no significant differences in maternal mortality or morbidity between the two groups.<h4>Conclusion</h4>A selective policy of attempted vaginal delivery based on parity for twin pregnancies with the first twin in breech position can lead to a reduction in the overall rate of caesarean section in this population.
Eur J Obstet Gynecol Reprod Biol (European journal of obstetrics, gynecology, and reproductive biology)
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