This time-lapse 3D medical animation shows the stations of presentationduring labor (labour) and childbirth. The animation follows the baby\'sprogress through the mother\'s birth canal, marking the baby\'s positionby how her head lines up with specific points in the mother\'s bonypelvis. These points are called vertex positions, and use thedesignations +3, +2, +1, 0, -1, -2 -3 in what obstetricians (OB/GYNs)call the 1/3 system.Nucleus Medical Art is a leading creator and licensor of medical \nillustrations, 3D medical animations and interactive multimedia for \nmedical devices, pharmaceutical companies, education, biotechnology, \nmarketing agencies, lawyers, and more. View more 3D medical animations \nat http://www.nucleusinc.com/youtube. 3D, animation, Art, birth, childbirth, labor, labour, Medical, Nucleus