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Preterm birth remains as the leading cause of neonatal morbidity and mortality. Although tocolytics do not reduce the risk of preterm birth, they effectively delay delivery by 48 h.1 This creates a window of opportunity for corticosteroid administration and transfer to units with neonatal intensive care unit (NICU) facilities, which improves neonatal mortality and morbidity.2 However, a consensus on the most effective tocolytic does not exist. This study aimed to assess the effects of calcium channel blockers (CCBs) on maternal, fetal and neonatal outcomes when administered to women in preterm labour.
This was an updated review of randomised trials using CCBs as tocolytics for management of preterm birth. Maternal, fetal and neonatal outcomes were compared between CCBs (mainly nifedipine), no treatment, placebo and other tocolytics. …
Contributors DM and RGB contributed to analyses of the data, writing, editing and final approval of the manuscript.
Competing interests None.
Provenance and peer review Commissioned; internally peer reviewed.