Hughes, KellyFord, HeatherThangaratinam, ShakilaBrennecke, ShaunMol, Ben WWang, Rui2023-06-222023-06-222023-07Hughes, K, Ford, H, Thangaratinam, S, Brennecke, S, Mol, B W & Wang, R 2023, 'Diagnosis or prognosis? An umbrella review of mid-trimester cervical length and spontaneous preterm birth', BJOG : an international journal of obstetrics and gynaecology, vol. 130, no. 8, pp. 866-879. https://doi.org/10.1111/1471-0528.174431470-0328https://hdl.handle.net/2164/20978Funding Information: This work is funded by an Australian National Health and Medical Research Council project grant (GNT1146590). The funder was not involved in conducting research or writing the paper. Funding Information: BWM is supported by an NHMRC Practitioner Fellowship (GNT1082548) and reports a consultancy for ObsEva, Merck Merck KGaA, and Guerbet. Completed disclosure of interests form available to view online as supporting information. Funding Information: An earlier, abbreviated form of this manuscript was presented as a virtual free communication at the Royal Australian and New Zealand College of Obstetricians and Gynaecologists’ Annual Scientific Meeting 2021 (Monday 15 February, online-only event). Open access publishing facilitated by Monash University, as part of the Wiley - Monash University agreement via the Council of Australian University Librarians. Publisher Copyright: © 2023 The Authors. BJOG: An International Journal of Obstetrics and Gynaecology published by John Wiley & Sons Ltd.142155882engCERVICAL LENGTHPreterm birthprognosissystematic reviewultrasonographyRG Gynecology and obstetricsRGJournal item10.1111/1471-0528.174431308