After the WHI was initially halted, the number of women taking HRT dropped precipitously.

健康倡议活动(WHI)一终止，接受HRT的妇女数量便陡然下降。

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In the WHI study, the actual increased risk of developing cancer from HRT was very small.

妇女健康倡议的研究指出事实上由激素替代疗法所致的乳腺癌发病风险增加的比例很小。

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The WHI study, designed to examine whether hormone therapy prevented heart attacks, has been closely scrutinized.

旨在探讨激素疗法是否能防止心脏病发作的WHI研究，一直被人们密切关注着。

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It was not the first time data from the WHI trials have hurt Wyeth.

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The WHI survey also showed that within five years from stopping HRT, the breast cancer risk returns to normal.

BBC: NEWS | Health | Health scares take their toll on HRT

In the WHI study, tens of thousands of patients were randomly assigned to either take Prempro or a sugar pill.

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