Fig. 1

SRPS radiographic phenotype. a, b Radiographic findings in R03-121A. An 18-week gestational age fetus with short, narrow bent ribs, a bell-shaped chest, handlebar clavicles, curved humeri with short bent radii and ulnae, curved femurs, fibular aplasia and lack of calcification of the distal extremities. c, d Radiographic findings in R06-303A. 30-week gestational age fetus with dolichocephaly and a prominent occiput, a long narrow thorax with deformed ribs, micromelia, and poor mineralization of the distal limbs, mild platyspondyly, and abnormal ilia