 AIM: The WOMAN Trial aims to determine the effect of the early administration of tranexamic acid TXA on death and hysterectomy in women with a clinical diagnosis of postpartum haemorrhage. The effect of TXA on the need for surgical interventions, blood transfusion, the risk of non-fatal vascular events either haemorrhagic or occlusive, use of health services and breastfeeding will also be assessed. 