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Postpartum haemorrhage (PPH) is a major cause of worldwide maternal mortality ranging from 13% in developed countries to 34% in developing countries.Uterine atony is the common cause of PPH that accounts for 80% of cases.Although an assessment of risk factors is important, PPH typically occurs unpredictably and no parturient is exempt from the risk of PPH.The exsanguination is rapid enough to be fatal in spite of immediate availability of blood products.One of the reasons for this could be the delay in resorting to surgical techniques once conservative measures have failed.Internal iliac artery ligation (IIAL) is a life saving technique underutilized in the management of PPH, probably due to fear of injury to iliac veins.Thorough knowledge of retroperitoneal anatomy and meticulous operative technique can minimize these complications.IIAL is useful in the treatment and prevention of PPH from any cause.Early resort to IIAL effectively prevents hysterectomy in women with atonic PPH.In traumatic PPH, IIAL facilitates hysterectomy pr repair as indicated and prevents reactionary haemorrhage.