Simons, Noor E.van de Beek, Corneliekevan der Lee, Johanna H.Opmeer, Brent C.van Wassenaer-Leemhuis, Aleid G.van Baar, Anneloes L.Steenis, LeonieLiem, SophieSchuit, EwoudBekedam, DickMol, Ben W.J.van‘t Hooft, Janneke2020-08-182020-08-182019-10Simons, N E, van de Beek, C, van der Lee, J H, Opmeer, B C, van Wassenaer-Leemhuis, A G, van Baar, A L, Steenis, L, Liem, S, Schuit, E, Bekedam, D, Mol, B W J & van‘t Hooft, J 2019, 'Child outcomes after placement of a cervical pessary in women with a multiple pregnancy : A 4-year follow-up of the ProTWIN trial', Acta Obstetricia et Gynecologica Scandinavica, vol. 98, no. 10, pp. 1292-1300. https://doi.org/10.1111/aogs.136300001-6349https://hdl.handle.net/2164/14950Acknowledgements We like to thank the research nurses of the Dutch Consortium for Healthcare Evaluation and Research in Obstetrics and Gynecology for their help in finding contact details of the parents.9903371engbehaviorchilddevelopmentfollow-upmultiple pregnancypessarypreterm birthR Medicine (General)Obstetrics and GynaecologyR1Journal article10.1111/aogs.13630http://www.scopus.com/inward/record.url?scp=85067668010&partnerID=8YFLogxK9810