Hot flashes in postmenopausal women may be eased by Progesterone

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June 27, 2010

Canadian researchers have said that Oral, micronized progesterone may help ease hot flashes in postmenopausal women.

Progesterone, manufactured from a steroid found in yams, provided significant improvement in symptoms in postmenopausal women experiencing hot flashes or night sweats severe enough to disturb sleep. The only other effective treatment has been estrogen, researchers at the University of British Columbia in Vancouver have said.

It has been reported that the researchers randomly assigned 114 healthy postmenopausal women seeking hormonal therapy for hot flashes and night sweats to take three round capsules nightly that either contained 300-milligrams of oral micronized progesterone sold under the brand name Prometrium or an inactive substance, a placebo.

Dr. Jerilynn Prior, Christine Hitchcock and colleagues found progesterone was more effective than a placebo at decreasing the intensity and number of symptoms. The 68 women taking progesterone showed a 56 percent improvement from the baseline and a 48 percent reduction in the number of symptoms. The 46 women taking placebo had 28 percent improvement and a 22 percent reduction in number.

Prior said in a statement, “This is the first evidence that oral micronized progesterone, which is molecularly identical to the natural hormone, is effective for women with symptomatic hot flashes. Women improve very quickly on oral micronized progesterone. The improvement is apparent within the first four weeks.” (With inputs from Agencies)

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Author: Leslie Carol Botha

Author, publisher, radio talk show host and internationally recognized expert on women's hormone cycles. Social/political activist on Gardasil the HPV vaccine for adolescent girls. Co-author of "Understanding Your Mood, Mind and Hormone Cycle." Honorary advisory board member for the Foundation for the Study of Cycles and member of the Society for Menstrual Cycle Research.