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Placental abruption, or placental abruption, is a significant obstetric complication characterized by the premature separation of the placenta from the uterine wall before delivery. This condition poses serious risks to both the mother and the fetus, making it a critical concern in perinatal care and nursing practice. The prevalence of placental abruption is estimated to be about 1% to 2% of all pregnancies, but the incidence may vary based on certain risk factors such as maternal hypertension, trauma, smoking, and a history of previous abruptions. The pathophysiology of placental abruption involves the disruption of the maternal-fetal interface, which can lead to maternal hemorrhage, fetal distress, and in severe cases, intrauterine fetal demise. The separation may be partial or complete, and the clinical manifestations can range from mild to life-threatening. Common symptoms include vaginal bleeding, abdominal pain, uterine contractions, and changes in fetal heart pattern¡¦(»ý·«)
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