Exclusion criteria
PPH, allergy
ALLERGY
The fundamental eligibility criterion is the responsible doctor’s ‘uncertainty’ about whether to use tranexamic acid in a particular woman. Women should not be randomised if the responsible doctor believes that tranexamic acid is clearly indicated (e.g. you have given tranexamic acid within 12 h or plan to give tranexamic acid) or clearly contraindicated (e.g. known allergy to tranexamic acid).Site eligibility will be assessed by collecting information on the experience and qualifications of the site staff, the number and route of births, and the incidence of PPH.