Emily Oken, an associate professor at Harvard Medical School who studies nutrition during pregnancy, recommends that moms-to-be use moderation.

哈佛医学院妊娠营养学副教授Emily Oken认为准妈妈们应适度饮食。

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The results are "disappointing, " said Emily Oken, a professor of population medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute, who wrote an editorial to accompany the paper but wasn't involved in the study.

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