Birth ball for pregnant women in labour research protocol: a multi-centre randomised controlled trial.

May Pui-Shan YeungKatrina Wai Kay TsangBenjamin Hon Kei YipWing Hung TamWan Yim IpFlorence Wai Lei HauMargaret Kit Wah WongJudy Wai Ying NgSau Ha LiuSophia Shu Wing ChanChi Kin LawSamuel Yeung Shan Wong

Published in: BMC pregnancy and childbirth (2019)

Chinese Clinical Trial Register (ChiCTR), Registration number: ChiCTR-IIC-16008275 , Date of registration 12 April 2016 (retrospectively registered), Date of enrolment of the first participant to the trial 1 March 2016.

Keyphrases

study protocol
clinical trial
pregnant women
randomized controlled trial
phase ii
phase iii
open label
pregnancy outcomes
health insurance
gestational age
placebo controlled