2023 Apple Women's Health Study newsletter: four years in review
December 2023: The Apple Women’s Health Study shared its first newsletter with participants that encompasses achievements from the past four years.
Learn more about the study's accomplishments in the first four years
World Diabetes Day: glucose response to activity and the menstrual cycle
November 2023: The Apple Women’s Health Study teamed up with the Apple Heart and Movement Study to evaluate the effects of physical activity and the menstrual cycle on glucose.
Learn about the effects of physical activity and the menstrual cycle on glucose
Menstrual cycle length and variability: a visual explanation
September 2023: The Apple Women’s Health Study is helping us characterize menstrual cycles throughout people’s lives. In this visual series, we aim to help you understand two key concepts at the heart of the study, cycle length and variability, and how they vary between participants of the study.
Learn about menstrual cycle length and variability
Connecting the dots between irregular periods, polycystic ovary syndrome and endometrial cancer risk
August 2023: The Apple Women’s Health Study explored the relationship between changes in menstrual cycles, polycystic ovary syndrome, endometrial hyperplasia, and endometrial cancer.
Learn about irregular periods, PCOS and endometrial cancer risk
Menstrual hygiene products: pads and tampons are the go-to choice
May 2023: In celebration of this year’s Menstrual Hygiene Day, the Apple Women’s Health Study explored what are the most commonly used menstrual hygiene product.
Learn about the type of period products that are most commonly used by study participants
Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity
November 2022: Thanks to participants in the Apple Women’s Health Study, we were able to look at over 165,000 menstrual cycles and explore the potential differences in menstrual cycle length and variability by age, weight race and ethnicity.
Learn about menstrual cycle length and variability
COVID-19 vaccines and menstrual cycles
July 2022: Thanks to participants who filled out the COVID-19 Vaccination Update survey, we were able to look at over 125,000 menstrual cycles, evaluate changes to these cycles, and understand the association of these changes with recent vaccination.
Learn about vaccines and cycles
Periods, polycystic ovarian syndrome, and heart health
March 2022: Preliminary analyses showed that participants with polycystic ovarian syndrome (PCOS) were more likely to have a family history of PCOS, abnormal menstrual cycles, and conditions that can negatively impact heart health.
Learn about periods, PCOS, and heart health
Pregnancy attempts during the COVID-19 pandemic
September 2021: COVID-19 impacted daily life and possibly the decision to attempt to get pregnant. Initial data analysis shows a decrease in pregnancy attempts by almost 20% from May to October 2020.
Menstrual symptom data can help end period stigma
March 2021: In line with this year’s celebration of International Women’s Day, the Apple Women’s Health Study team is shedding light on how menstrual research and symptom data can help to end stigma associated with periods.
Learn about menstrual symptoms data
Benefits of tracking your period
October 2020: Tracking your period and treating the menstrual cycle as a vital sign could lead to earlier detection of many health and gynecologic conditions.
Learn about cycle tracking
Research effort you can join
Your participation in the Apple Women’s Health Study will enable innovative research that would have been impossible before now.
Data collection
Participants control what data they share and can stop sharing data with the study at any time.
Podcast about the study
On an episode of the 'This Week in Health' podcast, researchers talk about the groundbreaking Apple Women’s Health Study.