Menstrual cycle length and variability: a visual explanation

uma boa estória, com boas ilustrações animadas e gráficas

A person’s menstrual cycle length and regularity are key indicators of their overall health. The Apple Women’s Health Study (AWHS ) is helping us characterize menstrual cycles throughout people’s lives, by enrolling study participants who provide their permission for us to collect and analyze data on a larger scale than ever before. This understanding can help people prepare for their menstrual cycles and help patients and clinicians personalize their healthcare.

In Part 1: What is a menstrual cycle?, we define and explain key characteristics of a menstrual cycle. In Part 2: How long is a typical cycle?, we explore the range of cycle lengths of people from the study. In Part 3: What is an irregular cycle?, we look at how much a person’s cycle varies from month to month. Finally, in Part 4: What determines cycle characteristics?, we discuss why we see variation in cycle characteristics through a person’s life, and why it’s important for everyone to understand these changes so that we can better prepare for them.

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Who We Spend Time with as We Get Older

Um gráfico de barras horizontais animando com variações ao longo do tempo

By Nathan Yau

In high school, we spend most of our days with friends and immediate family. Then we get older and get jobs, get married, and grow our own families to spend more time with co-workers, spouses, and kids. Here’s how things change, based on a decade of data from the American Time Use Survey, from age 15 to 80.

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How Europe, After a Fumbling Start, Overtook the U.S. in Vaccination

bom relatório com muita animação e grande variedade de gráficos

Just a few months ago, European Union efforts were a mess, but its problems were temporary. The United States turned out to have the more lasting challenge.

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