Le Doare, Kirsty;O’Driscoll, Megan;Turner, Kim;Seedat, Farah;Russell, Neal J;Seale, Anna C;Heath, Paul T;Lawn, Joy E;Baker, Carol J;Bartlett, Linda;Cutland, Clare;Gravett, Michael G;Ip, Margaret;Madhi, Shabir A;Rubens, Craig E;Saha, Samir K;Schrag, Stephanie;Sobanjo-ter Meulen, Ajoke;Vekemans, Johan;Kampmann, Beate;for the GBS Intrapartum Antibiotic Investigator Group;Ramoni, Angela;Helmig, Rikke Bek;Makikallio, Kaarin;Asatiani, Tengiz;Fisher, Menachem;Feinstein, Michael;Oz, Yuval;Suzin, Matan Elami;Eisenberg, Vered;Berardi, Alberto;Trehan, Indi;Macad, Georgia Leigh;Lucovnik, Miha;Oluwalana, Claire Nkiruka;Letchworth, Pippa;Jagoutz-Herzlinger, Martin;Muriithi, Francis Githae;Yassen, Kouther Issa;Visser, Gerard;Cooper, Sophie;