Open randomised trial of the (Arabin) pessary to prevent preterm birth in twin pregnancy with health economics and acceptability: STOPPIT-2-a study protocol.

Jane E NormanJohn NorrieGraeme MaclennanDavid CooperSonia WhyteSarah Cunningham BurleyJoel B E SmithAndrew ShennanStephen C RobsonSteven ThorntonMark D KilbyNeil MarlowSarah Jane StockPhilip R BennettJane Denton

Published in: BMJ open (2018)

ISRCTN98835694 and NCT02235181.

Keyphrases

preterm birth
study protocol
randomized controlled trial
low birth weight
open label
gestational age
healthcare
public health
minimally invasive
clinical trial
mental health
health information
health promotion
risk assessment