Risk factors for postpartum hemorrhage: can we explain the recent temporal increase?
Labour induction, augmentation of labour, and prior Caesarean section are significantly associated with the risk of PPH, and their increase over the study period largely explains the observed rise in PPH.
Only 27% of the adult patients presenting to the ED had an AD. Older age, the patient's perception of his or her health status as ill, and having a "regular" physician increased the likelihood of having an AD.