The P5 Working Group2020-08-132020-08-132019-11-27The P5 Working Group 2019, 'A randomized controlled trial on the use of pessary plus progesterone to prevent preterm birth in women with short cervical length (P5 trial)', BMC Pregnancy and Childbirth, vol. 19, 442. https://doi.org/10.1186/s12884-019-2513-21471-2393https://hdl.handle.net/2164/14913The study was funded by the Bill & Melinda Gates Foundation and Brazilian National Research Council (CNPq). No funding agency had any influence on the design and decision regarding data collections, managements, analysis and writing. The funding body peer–reviewed the protocol.9810645engCervical length measurementPessariesProgesteroneRandomized controlled trialRG Gynecology and obstetricsObstetrics and GynaecologyRGA randomized controlled trial on the use of pessary plus progesterone to prevent preterm birth in women with short cervical length (P5 trial)Journal article10.1186/s12884-019-2513-2http://www.scopus.com/inward/record.url?scp=85075720115&partnerID=8YFLogxK19