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The surprising effects of pregnancy

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TEDEd Animation

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Muscles and joints shift and jostle. The heart’s pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as soon as a pregnancy begins. Explore what we know— and don’t know— about pregnancy's effects on the body and brain.

Why does the heart work harder than normal during pregnancy?

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator TED-Ed
  • Science Consultant Alexandra Sacks
  • Director Charlotte Cambon, Roxane Campoy
  • Animator Charlotte Cambon, Roxane Campoy, Antoine Delebarre
  • Narrator Susan Zimmerman

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