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Case Reports
. 2022 Mar 22;10(3):e05608.
doi: 10.1002/ccr3.5608. eCollection 2022 Mar.

Vasa previa: A rare obstetric complication-A case series and a literature review

Yaman Degirmenci  1 , Joscha Steetskamp  1 , Doris Macchiella  1 , Annbalou Hasenburg  2 , Annette Hasenburg  1
Affiliations
Case Reports

Vasa previa: A rare obstetric complication-A case series and a literature review

Yaman Degirmenci et al. Clin Case Rep. .

Abstract

Vasa previa is a rare condition. However, since the increase in assisted reproductive technologies (ARTs), clinicians are more frequently confronted with this complication. In this study, we present five cases of vasa previa prenatally diagnosed from a tertiary referral hospital with approximately 2000 births yearly.

Keywords: assisted reproductive technology; insertio velamentosa; placenta; prenatal diagnosis; vasa previa.

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Conflict of interest statement

The authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest, or nonfinancial interest in the subject matter or materials discussed in this manuscript.

Figures

FIGURE 1
FIGURE 1
Case 1: Visualization using color‐coded Doppler ultrasound of fetal vessels overlying the cervical os and a bilobed placenta (transabdominal)—ultrasound of the same case showing the bilobate placenta and the vessels crossing over the cervix (transvaginal)
FIGURE 2
FIGURE 2
Case 1: Bilobate placenta and the connecting vessel between lobes causing vasa previa (arrow)
FIGURE 3
FIGURE 3
Case 2: Fetal vessels presenting between fetal head and cervix (transabdominal with color‐coded Doppler ultrasound, transvaginal with and without color‐coded Doppler ultrasound). Velamentous insertion of vessels (white arrow)—3D mapping of fetal vessels causing vasa previa (grey arrow)
FIGURE 4
FIGURE 4
Case 2: Placenta with velamentous inserted fetal vessels causing vasa previa (arrow)
FIGURE 5
FIGURE 5
Case 3: Visualization of fetal vessels connecting two lobes of the placenta using color‐coded Doppler ultrasound. (transabdominal)—bilobate placenta and the connecting vessel causing vasa previa (arrow)
FIGURE 6
FIGURE 6
Case 4: Vessels with velamentous insertion overlying the cervix (transabdominal, transvaginal ultrasound with and without color‐coded Doppler)—3D mapping of the vessels causing vasa previa
FIGURE 7
FIGURE 7
Case 5: Visualization of fetal vessels overlying the cervical os and a bilobate placenta using color‐coded Doppler ultrasound (transvaginal)—ultrasound of the same case showing the bilobate placenta and the vessels crossing over the cervix (transabdominal)
FIGURE 8
FIGURE 8
Case 5: Bilobate placenta and the connecting vessels between lobes causing vasa previa (arrows)
See this image and copyright information in PMC

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