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Menopause (cont.)

Hormone Therapy (HT) or Estrogen Therapy (ET) for Menopausal Symptoms

Estrogens or a combination of estrogens and progesterone (progestin)

Long-term studies of women receiving combined HT with estrogen and progesterone showed an increased risk for heart attack, stroke, and breast cancer when compared with women who did not receive HT. Studies of women taking estrogen therapy alone showed that estrogen was associated with an increased risk for stroke, but not for heart attack or breast cancer. Estrogen therapy alone, however, is associated with an increased risk of developing endometrial cancer (cancer of the lining of the uterus).

More recently, studies have suggested that the cardiovascular risks associated with hormone therapy may be more relevant for older postmenopausal women rather than those in the perimenopause or early postmenopausal period. The decision regarding hormone therapy, therefore, should be individualized by each woman and her healthcare professional based on her medical history, the severity of the symptoms, and the potential risks and benefits of hormone administration.

Estrogen is available in a variety of forms, including vaginal creams, tablets, and estrogen vaginal rings (for example, Estring), which are mainly useful for vaginal symptoms; skin patches (Vivelle, Climara, Estraderm, Esclim, Alora); transdermal sprays or gels (for example, Evamist); and oral tablets.

Women should undergo a breast exam and mammogram prior to starting estrogen. Once on estrogen, women must be monitored regularly with breast exams and mammograms.

Women who already have heart disease should not use estrogen.

Estrogen therapy does not prevent pregnancy.

Women who take estrogen also tend to have a higher risk of developing:

Bioidentical Hormone Therapy

There has been increasing interest in recent years in the use of so-called "bioidentical" hormone therapy for perimenopausal women. Bioidentical hormone preparations are medications that contain hormones that have the same chemical formula as those made naturally in the body. The hormones are created in a laboratory by altering compounds derived from naturally-occurring plant products. Some bioidentical hormone preparations are made at special pharmacies called compounding pharmacies, which make the preparations on a case-by-case basis for each patient. These individual preparations are not regulated by the FDA, because compounded products are not standardized.

Advocates of bioidentical hormone therapy argue that the products, applied as creams or gels, are absorbed into the body in their active form without the need for "first pass" metabolism in the liver and that their use may avoid potentially dangerous side effects of synthetic hormones used in conventional hormone therapy. However, studies to establish the long-term safety and effectiveness of these products have not been carried out.

Medically Reviewed by a Doctor on 9/11/2017

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