latepregnancybleeding晚期妊娠流血-資料下載頁
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【正文】 umbilical cord into the amniotic membranes in the lower uterine segment ? Results in fetal vessels between the cervix and the presenting part ? 1 in 2500 births ? 33 to 100 percent perinatal mortality Image: Vasa Previa (continued) ? Risk factors – In vitro fertilization – Placenta previa – Multilobed placentas Vasa Previa (continued) ? Presentation – Hemorrhage at the time of amniotomy or spontaneous rupture of membranes – Exsanguination of fetal blood can occur rapidly Vasa Previa (continued) ? Management – If fetal wellbeing is not reassuring, or if hemorrhage is severe, RAPID DELIVERY! – If fetal heart tones are reassuring, APT test can be performed References ? Sakornbut, E, Leeman, L, Fontaine, P “Late Pregnancy Bleeding” American Family Physician, Vol 75, No 8, April 15th, 2022
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