茶叶是咖啡因的主要来源(48%),其次是咖啡(39%),一项刊登在国际杂志The American Journal of Clinical Nutrition上的研究报告中,研究人员通过研究阐明了咖啡、茶叶咖啡因与婴儿不良出生结局之间的关联性,在最高咖啡因摄入的群体中,其婴儿出生时体重异常低或孕周小的风险是正常出生婴儿的两倍,而且无论咖啡因的来源如何,其结果都是相似的。
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【5】Caffeine and Pregnancy
【6】Restricting caffeine intake during pregnancy
【7】Drinking tea during pregnancy may be bad for your baby’s health