A 32-year-old woman delivers vaginally and 20 minutes later has heavy vaginal bleeding estimated at 1200 mL. She is pale and tachycardic. The uterus feels boggy on palpation. What is the single most appropriate immediate management step?AStart oral iron and review tomorrowBBegin intravenous broad-spectrum antibiotics onlyCPerform uterine massage and give intramuscular OxytocinDArrange elective theatre booking later that dayEInsert a copper intrauterine deviceCheck my answer