case_images: PMC11102669_01
case_images: Intrapartum transvaginal ultrasonography. Three pulsating structures (arrows) were observed on the fetal membranes (machine cursor) near the dilated internal cervical os.
case_images: 10.1177_2050313X241253747-fig1.jpg
case_images: PMC11102669_01_10.1177_2050313X241253747-fig1.jpg
case_images: fig1-2050313X241253747
case_images: This diagnosis was only confirmed through a transvaginal ultrasound performed upon noticing abnormal pulsating structures during a pelvic examination in labor (Figure 1), leading to an emergency cesarean section for the safe delivery of the baby.
case_images: Intraoperative diagnosis. Exteriorized uterus through Pfannenstiel incision, with placenta and membranes undetached. Three aberrant vessels were observed in the fetal membranes over the cervix.
case_images: 10.1177_2050313X241253747-fig2.jpg
case_images: PMC11102669_01_10.1177_2050313X241253747-fig2.jpg
case_images: fig2-2050313X241253747
case_images: This examination revealed three aberrant fetal vessels running unprotected over the internal cervical os, depicted in Figure 2.
case_images: Marginal cord insertion in the placenta.
case_images: 10.1177_2050313X241253747-fig3.jpg
case_images: PMC11102669_01_10.1177_2050313X241253747-fig3.jpg
case_images: fig3-2050313X241253747
case_images: After allowing the placenta to detach spontaneously, a marginal cord insertion was observed, as shown in Figure 3.