familydoctor.org: What Is Hormone Replacement Therapy? - Explains why hormone replacement therapy (HRT) has been prescribed for menopausal women and describes changes in attitudes towards HRT as a result of the Women's Health Initiative.
MayoClinic: Bioidentical Hormones: Are They Safer? - Explains that bioidentical hormones are custom-mixed, over-the-counter products containing hormones that are supposed to be chemically identical to those made by your body, but notes that these products have not been approved by the U.S. Food and Drug Administration.
NIH: Menopausal Hormone Therapy Information - Links to informational resource on the long-term and short-term hormone use and other issues related to women's health during and after menopause.
