“…Of particular relevance is the fact that the contemporaneous Olmec, with whom the Tlatilcans had cultural affinities, were the first civilization to portray the existence of fetuses visually as well as to fashion an image of the human heart [15,18]. Also, both the Olmec and the Tlatilcans created images of dwarfs, hunchbacks, and yoga-like contortionists (engaged in disciplined posture) who may have had Ehlers-Danlos syndrome [19].…”