ACT	Acupuncture Childbirth Team
EA	Electroacupuncture
CNS	Central nervous system
IQR	Interquartile range
LAc	Licensed acupuncturist
MS	Manual stimulation
NHS	National Health Service
NICE	National Institute for Health and Care Excellence
NA	Not available
NR	Not reported
OP	Occipito-transverse
OT	Occipito-posterior
RCT	Randomized controlled trial
SD	Standard deviation
SPSS	Statistical Package for the Social Sciences
TCM	Traditional Chinese medicine
UK	United Kingdom
USA	United States of America
WMA	Western medical acupuncture