Graph showing time from enrolment until PPH cessation in the two groups. Solid line = TA group, dashed line = control group. P = 0.003 using the Kaplan-Meier logrank test. Time points of the study (T2 = T1 + 30 minutes, T3 = T1 + 2 hours, T4 = T1 + 6 hours) are indicated on the x-axis. The time of each invasive procedure is indicated by an arrow.