The impact of analgesic intervention during the second stage of labour: a retrospective cohort study.
Allana MunroRonald B GeorgeVictoria M AllenPublished in: Canadian journal of anaesthesia = Journal canadien d'anesthesie (2018)
Most women who received a top-up had a vaginal (spontaneous or assisted) delivery. Compared with women without a top-up, women requiring a top-up had more predictors of difficult labour and higher rates of assisted vaginal delivery and Cesarean delivery.