A 26-year-old woman, day 1 post-partum after a normal vaginal delivery, suddenly collapses with heavy vaginal bleeding estimated at 1200 mL. She is pale, BP 80/40 mmHg, HR 130 bpm. What is the most appropriate immediate management step?AGive oral iron and observeBInsert a urinary catheter and await reviewCActivate the major obstetric haemorrhage protocol, perform uterine massage and resuscitate with IV fluids and blood productsDPrescribe oral tranexamic acid onlyESend her for elective caesarean sectionCheck my answer