/A 30-year-old woman para 6 delivers vaginally folllowing normal labour with spontaneous delivery If an intact placenta. Excessive bleeding continues, jggpite manual exploration, bimanual massage Lravenous oxytocin and admlnls-tration of 0.2 mg Ithergin IV, which one of the following would be the next step iri the management of this patient?
Packing the uterus Immediate hysterectomy Bilateral internal iliac ligation injection of PGF 2a