GWEN SHOCKEY / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY GWEN SHOCKEY / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Fetus positions. At left, normal positioned fetus with their back forward and head positioned down. In middle, shoulder presentation where the fetus is sideways and their face is turned forward. At right, breech position where the fetus is faced forward and their buttocks are positioned at the bottom and head at the top. If the baby is in the shoulder or breech position a cesarean section is performed to deliver the baby.
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