Does Dong Quai Have Estrogenic Effects in Postmenopausal Women? A Double-Blind, Placebo-Controlled Trial
Hirata JD, Swiersz LM, Zell B, Small R, Ettinger B
Published in Fertility and Sterility
Methodology
Twenty-four-week double-blind placebo-controlled RCT of dong quai 4.5 g/day in 71 postmenopausal women, assessing hot flushes, endometrial thickness and vaginal maturation.
Key Findings
Dong quai produced no significant difference from placebo in hot flush frequency, endometrial thickness or vaginal cell maturation.
Conclusions
Dong quai used alone showed no oestrogenic activity or benefit for menopausal hot flushes.
Limitations
Single herb, single dose; moderate sample; may not apply to traditional multi-herb formulas.
Supplements Studied
Dong quai produced no significant difference from placebo in hot flush frequency, endometrial thickness or vaginal cell maturation.
Outcomes Measured
Dong quai produced no significant difference from placebo in hot flush frequency.
Related Health Concerns
Study Details
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