Body-stalk anomaly

Definition

A very rare anomaly (1 in 14,000 to 42,000 pregnancies; 1 in 7500 fetuses from 10 to 14 weeks of gestation) characterized by a complex anomaly of the anterior abdominal wall, severe kyphoscoliosis, rudimentary umbilical cord, and anatomical defects of the pelvis and lower limbs.

Also known as body stalk anomaly, body stalk complex, BSA — per MONDO