Complete placenta previa
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A complete placenta previa, also known as a type IV placenta previa, is the most severe in terms of the placenta previa spectrum. It is also the least likely to resolve with advancing gestation if detected in early pregnancy 1,3.
In this situation, the placenta entirely covers the internal cervical os from one side to the other.
Treatment and prognosis
A complete previa will require a cesarean section for delivery to avoid the risk of fetal and maternal hemorrhage.
- 1. Dashe JS, Mcintire DD, Ramus RM et-al. Persistence of placenta previa according to gestational age at ultrasound detection. Obstet Gynecol. 2002;99 (5 Pt 1): 692-7. - Pubmed citation
- 2. Elsayes KM, Trout AT, Friedkin AM et-al. Imaging of the placenta: a multimodality pictorial review. Radiographics. 29 (5): 1371-91. doi:10.1148/rg.295085242 - Pubmed citation
- 3. Carol Benson MD. Ultrasonography in obstetrics and gynocology, a practical approach, Thieme. (2007) ISBN:1588906124. Read it at Google Books - Find it at Amazon