Cardiotocography in breech versus vertex delivery: an examiner-blinded, cross-sectional nested case-control study.
Elli ToivonenOuti PalomäkiHeini HuhtalaJukka UotilaPublished in: BMC pregnancy and childbirth (2016)
Decreased variability and late decelerations were more prevalent in breech compared to vertex deliveries. Pathological trace predicts immediate neonatal depression and especially complicated variable decelerations may signal more severe distress. Further research is needed to create guidelines for safe management of vaginal breech delivery.