Types of vasa praevia. What type is this?
Type I (more common): vessels connect to a velamentous cord insertion. Type II (this case) : placental vessels connect to a bilobed placenta or succenturiate lobe.
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.