Date	Event	Description
27 November 2017	New search has been performed	Search updated and two new trials included. The review now includes six trials with 748 women. A 'Summary of findings' table was added for this update.
27 November 2017	New citation required but conclusions have not changed	The overall conclusions have not changed substantially. In this update, there was no evidence of a clear difference between groups for caesarean section, length of stay in the neonatal intensive care unit, or admission to neonatal intensive care unit.