Subinvolution of placental sites (SPSs) is a rare but severe cause of secondary postpartum haemorrhage (PPH). SPS is characterised by the abnormal persistence of large, dilated, superficially modified ...

Subinvolution of placental bed vessels, a well-recognized cause of postpartum and postabortal hemorrhage, is defined with prolonged or excessive uterine hemorrhage beginning after the delivery or ...