Fig. 3 a.

and b a Transfer rate of singleton pregnancies (n = 4181) and twin pregnancies born at ≥ 36 + 0 weeks of gestation depending on gestational age. b Mode of delivery for singleton pregnancies (2009 n = 1255; 2010 n = 1305; 2011 n = 1292; 2012 [1st quarter] n = 327) depending on the year of birth and born at ≥ 36 + 0 weeks of gestation; * excluding forceps delivery, vaginal breech delivery and high-risk pregnancies; ** excluding forceps delivery, vaginal breech delivery and non high-risk pregnancies.