GRAVIDA 2, para 1 mother at 23 weeks' gestation delivered vaginally on termination of pregnancy a 520 g stillborn female fetus (Figure 1) with multiple skeletal and central nervous system anomalies. The pregnancy was uncomplicated without signs or symptoms of infection. The mother denied tobacco, alcohol, or other drug use. Postmortem radiographic studies (Figure 2) disclosed short lower extremities with anterior bowing of the femurs, tibias, and fibulas as well as 11 paired thin ribs. At autopsy, SPECIAL FEATURE