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Vasa previa

Case contributed by James Harvey
Diagnosis certain

Presentation

Low-lying placenta at morphology scan. Currently 33 weeks gestation.

Patient Data

Age: 35 years
Gender: Female
ultrasound

Succenturiate lobe morphology of the placenta. Vessels extend across the internal os, confirmed with transvaginal imaging.

The cervix is long (24 mm) and closed.

Abdominal circumference measures at the 98th percentile for the patient's gestation. Femur length at the 2nd percentile. Considered most likely to be consistitutional.

Normal umbilical Dopplers.

Case Discussion

Typical ultrasound appearance of type II vasa previa with placental vessels extending across the internal os, associated with a succenturiate placental morphology.

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