FERTIL STERIL:抽烟、喝酒、喝咖啡,谁是导致流产的罪魁祸首?

2021-10-31 MedSci原创 MedSci原创

咖啡因总摄入量低于300毫克/天(相当于三杯6盎司的咖啡)对妊娠和儿童结局几乎没有负面影响。

妊娠失败是指胎儿在怀孕期间死亡,约有五分之一的孕妇会发生这种情况。妊娠失败不仅对女性的心理健康产生重大影响,还可能增加以后患其他疾病的风险,如糖尿病血管疾病等。有些观察研究发现吸烟、喝酒和咖啡是妊娠失败的高风险因素。然而,由于过去的研究发现存在不一致性和潜在的偏差,这些关联是否具有因果关系仍不清楚。

在本研究中,研究组在英国生物库共招募了191252名女性(60565例病例和130687例对照组),排除非欧洲血统的个体、近亲个体、性染色体非整倍体和妊娠丢失信息缺失的个体以及剔除性别不明确、高基因型缺失率(>5%)、杂合度过高(4个标准差)和非芬兰血统的个体后,共有3312例病例和64578名对照被纳入全基因组关联分析。

研究流程图

研究结果发现吸烟的遗传易感性与妊娠失败风险增加相关。酒精或咖啡的遗传易感性与妊娠失败之间没有显著关联。这是第一项基于遗传数据探索可改变风险因素与妊娠丢失之间潜在因果关系的研究。

补充MR分析中吸烟、适量饮酒和咖啡的遗传易感性与妊娠失败的关系

大多数研究已经承认,与不喝咖啡的女性相比,在怀孕期间大量饮用咖啡的女性怀孕失败的风险更高。饮用少量或适量咖啡的效果可能有所不同。根据世界卫生组织(WHO)的建议,咖啡因总摄入量低于300毫克/天(相当于三杯6盎司的咖啡)对妊娠和儿童结局几乎没有负面影响。

这项研究表明吸烟是导致妊娠失败的一个危险因素,并建议准备怀孕的妇女应避免吸烟。虽然研究显示适量饮酒和喝咖啡对妊娠丢失没有关联,但是妊娠结局的安全性还值得更多研究。

参考文献:Yuan S , Liu J , Larsson S C . Smoking, alcohol and coffee consumption and pregnancy loss: a Mendelian randomization investigation[J]. Fertility and Sterility, 2021.

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    2021-11-08 小雨闲

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    2021-11-02 gujh
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    2021-11-02 ymljack
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    2021-10-31 ms9000000811887484

    学习

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