Blood group O: A novel risk factor for increased postpartum blood loss?
Maike Katja SachsD FrankeR BrunJ WisserR ZimmermannC HaslingerPublished in: Haemophilia : the official journal of the World Federation of Hemophilia (2018)
This is the first study reporting significantly increased blood loss following delivery in women with blood group O after adjustment for major risk factors for postpartum blood loss. Albeit having a statistically significant, but clinically minor effect on absolute blood loss, blood group O carriers may suffer from aggravated bleeding in the presence of additional obstetric bleeding pathologies.