OC-7b: Implementation of risk score-guided prophylaxis in over 2000 pregnant women at risk of thrombotic events: impact on morbidity. A quasi-experimental prospective study. Issue 151 (March 2017) - Chauleur, C.; Gris, J.-C.; Laporte, S.; Chapelle, C.; Equy, V.; Gaucherand, P.; Bazan, E.; Dupuis, O.; Buchmüller, A.; Gallot, D.