latepregnancybleeding晚期妊娠流血-文庫吧資料
2025-01-25 08:08本頁面
【正文】 Placenta Previa ? Complete – Covers the internal cervical os ? Marginal – Edge lies within 2cm of internal cervical os ? Low lying – Edge lies 2 – from the internal os Image: Placenta Previa (continued) ? Noted in midpregnancy in 40/1000 pregnancies ? At term, only 4/1000 ? Best visualized with transvaginal ultrasound ? Risk factors – Increased age – Increased parity – Tobacco use – Increasing number of cesarean deliveries Placenta Previa (continued) ? Presentation – “painless bleeding” – Often “sentinel bleed” in the late 2nd or early 3rd trimester – Often after sexual intercourse Placenta Previa (continued) ? Management – Goal is to promote fetal lung maturity – Admit to hospital initially – Administer steroids if 2434 weeks gestation – Consider tocolytics – Outpatient management in
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