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VOLUME 15 , ISSUE 1 ( January-March, 2021 ) > List of Articles
Toshiyuki Hata, Riko Takayoshi, Aya Koyanagi, Takahito Miyake
Keywords : Antenatal diagnosis, Color Doppler, Placenta previa, Transvaginal sonography, Type-3 vasa previa
Citation Information : Hata T, Takayoshi R, Koyanagi A, Miyake T. Antenatal Diagnosis of Type-3 Vasa Previa. Donald School J Ultrasound Obstet Gynecol 2021; 15 (1):1-3.
License: CC BY-NC 4.0
Published Online: 00-03-2021
Copyright Statement: Copyright © 2021; Jaypee Brothers Medical Publishers (P) Ltd.
Regarding type-3 vasa previa, some branches exit the placental surface and subsequently re-enter at the placental cotyledons. We present a case of type-3 vasa previa diagnosed at 32 weeks of gestation. A 38-year-old pregnant Japanese woman was re-examined using transvaginal color Doppler due to suspected vasa previa on previous routine obstetric examination. Color Doppler clearly showed a small velamentous artery near the internal cervical os. At 37 weeks and 6 days of gestation, a planned cesarean section was performed, resulting in a viable, single female newborn weighing 2,726 g. Placental examination showed peripheral insertion of the umbilical cord with one aberrant vessel.
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