Authors: C B Okeke Ogwulu; I Goranitis; A J Devall; V Cheed; I D Gallos; L J Middleton; H M Harb; H M Williams; A Eapen; J P Daniels; A Ahmed; R Bender-Atik; K Bhatia; C Bottomley; J Brewin; M Choudhary; S Deb; W C Duncan; A K Ewer; K Hinshaw; T Holland; F Izzat; J Johns; M Lumsden; P Manda; J E Norman; N Nunes; C E Overton; K Kriedt; S Quenby; S Rao; J Ross; A Shahid; M Underwood; N Vaithilingham; L Watkins; C Wykes; A W Horne; D Jurkovic; A Coomarasamy; T E Roberts Journal: BJOG Date: 2020-01-30 Impact factor: 6.531