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由于人工流产损伤妇女子宫内膜,引起内膜瘢痕;或孕妇子宫内膜血供不足等因素均可导致前置胎盘。前置胎盘促使孕妇子宫蜕膜生长不全,当受精卵着床后,为摄取足够营养,胎盘伸展到子宫下段。临床上,医护人员要严密观察病情发展,检测血压,预防产妇出血性休克;做好输血准备的同时,积极预防产妇水电解质紊乱;临床上医护人员要严密观察产妇病情发展,检测血压,预防产妇出血性休克;做好输血准备的同时,积极预防产妇水电解质紊乱;增加产妇血容量,纠正贫血,预防感染,尽快迅速止血,正确选择结束分娩的时间和方法,有利于病人的预后康复。
As a result of induced abortion women’s endometrium damage, causing endometrial scar; or pregnant women, endometrial blood supply and other factors can lead to placenta previa. Placenta previa to promote pregnancy uterine decidua growth incomplete, when the fertilized egg implantation, in order to intake adequate nutrition, the placenta extends to the lower uterine segment. Clinically, medical staff should closely observe the progression of the disease, detect blood pressure and prevent maternal hemorrhagic shock; do a good job of blood transfusion preparation, and actively prevent maternal water and electrolyte disorders; clinical nurses should closely observe the maternal condition, detect blood pressure and prevent maternal Hemorrhagic shock; blood transfusion ready; at the same time, actively prevent maternal water and electrolyte disorders; increase maternal blood volume, correct anemia, prevent infection, stop bleeding as soon as possible, the correct choice of the time and method of delivery is conducive to the prognosis of patients with rehabilitation.