Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study
By A Mystery Man Writer
Description
November 2022: A person’s menstrual cycle length and regularity are key indicators of their overall health1. Menstrual cycles that are unusually long (more than 40 days) or are irregular have been …
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://www.mdpi.com/sports/sports-09-00130/article_deploy/html/images/sports-09-00130-g001.png)
Sports, Free Full-Text
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://images.everydayhealth.com/images/should-you-align-your-workouts-with-your-cycle-1440x810.jpg)
Does Syncing Your Workouts to Your Cycle Work?
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://www.hsph.harvard.edu/applewomenshealthstudy/wp-content/uploads/sites/2502/2019/10/cropped-HSPH_AWHS_elevated_detached_logo_horiz2.jpg)
Publications – Apple Women's Health Study
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://images.ctfassets.net/juauvlea4rbf/PILx66hBq6EEIm0GAQ2u8/150954fc2f16f159b00d59d82dd1c094/FB__30_.png)
Do periods sync? Lesbian, trans and queer couples respond to our research on menstrual syncing
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://www.hsph.harvard.edu/news/wp-content/uploads/sites/21/2023/01/Shruthi-Mahalingaiah.jpg)
Apple Women's Health Study: menstrual cycles, health, News
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://www.publichealthpost.org/wp-content/uploads/2020/03/Untitled-1.png)
One Size Fits Few - Public Health Post
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://images.everydayhealth.com/images/womens-health/menopause/when-will-you-reach-menopause-questions-answers-1440x810.jpg)
Predicting the Age at Which You'll Reach Menopause, Length of Transition
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://www.apa.org/images/2023-09-ce-menopause-tile_tcm7-319439.jpg)
Menopause can be rough. Psychology is here to help
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://cdn.vox-cdn.com/thumbor/r_flU0HzSUuUbimYvkaBztSFM5w=/0x0:1000x750/1400x1400/filters:focal(0x0:1000x750):format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/50435433/shutterstock_391671313.0.0.jpg)
How exercise can shut down women's periods — with dire health consequences - Vox
![Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41746-019-0152-7/MediaObjects/41746_2019_152_Fig1_HTML.png)
Real-world menstrual cycle characteristics of more than 600,000 menstrual cycles
from
per adult (price varies by group size)