2.2 Participants
All women who birthed at a metropolitan tertiary referral hospital in
Sydney, Australia between 1st September 2021 and
31st October 2022 who met the inclusion criteria were
eligible for the study. Inclusion criteria were: a live singleton fetus
in a cephalic presentation; planned vaginal birth; and admitted for
labour and birth care between 37+0 weeks and
42+0 weeks gestation. Exclusion criteria were: IV
fluid data or estimated maternal blood loss documentation insufficient
and/or missing. Participants received routine care including the intake
of oral fluids and the administration of 10 units oxytocin
intramuscularly at birth to prevent PPH, with a second dose if greater
than expected blood loss or uterine atony were observed.