P-011: TRAnexamic acid to reduce blood loss in hemorrhagic CESarean delivery: therapeutic and pharmaco-biological dose-ranging multicenter randomized double blind placebo controlled study: TRACES trial methodology. Issue 151 (March 2017) - Ducloy-Bouthors, A.S.; Jeanpierre, E.; Hennart, B.; Baptiste, A.; Giovannoni, S.; Saidi, I.; Simon, E.; Lannoy, D.; Allorge, D.; Duhamel, A.; Susen, S.