Patient recruitment. CHX, chlorhexidine gluconate; CVC, central venous catheter; DR, delivery room; GA, gestational age; POV IOD, povidone–iodine; UVC, umbilical venous catheter. Patient recruitment. CHX, chlorhexidine gluconate; CVC, central venous catheter; DR, delivery room; GA, gestational age; POV IOD, povidone–iodine; UVC, umbilical venous catheter. Emily A Kieran et al. Arch Dis Child Fetal Neonatal Ed 2018;103:F101-F106 Copyright © BMJ Publishing Group Ltd & Royal College of Paediatrics and Child Health. All rights reserved.