Cuijpers, C J JVan't Hooft, JSchneeberger, CVan Der Lee, J HSimons, N EVan Os, M AVan Der Ven, JDe Groot, C J MMol, B W JVan Wassenaer-Leemhuis, A G2021-06-172021-06-172021-03-01Cuijpers, C J J, Van't Hooft, J, Schneeberger, C, Van Der Lee, J H, Simons, N E, Van Os, M A, Van Der Ven, J, De Groot, C J M, Mol, B W J & Van Wassenaer-Leemhuis, A G 2021, 'Progesterone for prevention of preterm birth in women with short cervical length : 2-year infant outcomes', Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, vol. 57, no. 3, pp. 431-439. https://doi.org/10.1002/uog.231260960-7692PubMedCentral: PMC7986902https://hdl.handle.net/2164/16685ACKNOWLEDGMENTS The Triple P study is registered as NL1961. https://www.trialregister.nl/trial/1961 The original Triple P study was funded by ZonMW number 120620030. The follow-up study was funded by the Amsterdam UMC, Academic Medical Center. BWM is supported by a NHMRC Investigatorgrant (GNT1176437). BWM reports consultancy for ObsEva, Merck Merck KGaA, iGenomix and Guerbet.9456645engchilddevelopmentpreterm birthProgesteroneprogesteroneRG Gynecology and obstetricsRadiological and Ultrasound TechnologyObstetrics and GynaecologyRadiology Nuclear Medicine and imagingReproductive MedicineSupplementary InformationRGJournal article10.1002/uog.23126http://www.scopus.com/inward/record.url?scp=85096855111&partnerID=8YFLogxK573