Osazuwa 2015.

Methods	RCT
Participants	Women undergoing caesarean section Inclusion criteria: not specified Exclusion criteria: not specified
Interventions	Colloid versus crystalloid versus combination of both preloads Group 1: 500 mL of Ringer's lactate, preload, before spinal anaesthesia Group 2: 500 mL of 6% pentastarch, preload, before spinal anaesthesia Group 3: combination of 250 mL of 6% pentastarch and 750 mL of Ringer's lactate intravenous fluid preload, before spinal anaesthesia
Outcomes	Maternal: hypotension Neonatal: not specified
Notes	Abstract only. Insufficient information to assess risk of bias – first author contacted 26/06/2017, awaiting response.