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The Women's Health Initiative consisted of four major components, including three Clinical Trials (Dietary, Hormone, and Calcium/Vitamin D) and an Observational Study. The following sections contain detailed information on each of these components, including major study findings and answers to commonly asked questions. Please visit each page to learn more about that WHI component.
Estrogen plus Progestin
Calcium/Vitamin D Trial
While many of the publications from the WHI focus on the data collected from women in one specific study component, many publications involve findings that combine data for all WHI women, regardless of which component they were in. Here are summaries of findings from a few of those papers:
Multivitamin Use and Risk for Cancer and Cardiovascular Disease