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How menstruation works – Emma Bryce

Emma Bryce | TED-Ed

View full lesson: http://ed.ted.com/lessons/how-menstru…

Made in partnership with the Always #LikeAGirl campaign.

At this moment, three hundred million women across the planet are experiencing the same thing: a period.

The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives.

But why is this cycle so universal? And what makes it a cycle in the first place?

Emma Bryce gives a primer on periods.

Lesson by Emma Bryce.

Animation by Kozmonot Animation Studio.