Systemic factors nervous drugs(magnesium sulfate, Sedative) abnormal labor(prolonged, precipitous) History of previous PPh Preeclampsia, abnormal placentation
Systemic factors: • nervous • drugs(magnesium sulfate,sedative) • abnormal labor(prolonged,precipitous) • History of previous PPH • Preeclampsia, abnormal placentation
pathology Contraction constricting the spiral arteries preventing the excessive bleeding from the placenta implantation site the uterine atony give rise to PPH when no contraction occur
pathology • Contraction constricting the spiral arteries • preventing the excessive bleeding from the placenta implantation site • the uterine atony give rise to PPH when no contraction occur
Prevention and therapeutic of uterine atony Administration of medicine promotes contraction of the uterine corpus decreases the likelihood of uterine atony Oxytocin agents Methegine prostaglandin
Prevention and therapeutic of uterine atony • Administration of medicine: • promotes contraction of the uterine corpus • decreases the likelihood of uterine atony • Oxytocin agents • Methegine • prostaglandin
Mechanical stimulation of uterine contraction Massage of uterus through the abdomen and bimanual compression intrauterine packing
• Mechanical stimulation of uterine contraction: • Massage of uterus through the abdomen and bimanual compression • intrauterine packing
