Science:新冠疫情将对人类生育力产生影响

2020-08-02 芋头先生 国际科学

新冠肺炎仍在全球肆虐。全球感染人数已超1600万人,已造成约65万人死亡,给世界各国带来了严重影响。新冠肺炎疫情这一黑天鹅事件可能导致全球范围内的人口生育力下降。

新冠肺炎仍在全球肆虐。全球感染人数已超1600万人,已造成约65万人死亡,给世界各国带来了严重影响。可是,新冠肺炎给人类带来的影响远远不止如此。最近,来自意大利的研究人员发现,新冠肺炎疫情这一黑天鹅事件可能导致全球范围内的人口生育力下降。该项研究发表在Science杂志上,其题目为The COVID-19 pandemic and human fertility,中文翻译为《新冠大流行和人类生育力的研究》。

历史经验告诉我们,当人类社会经历饥荒、疾病或战乱等灾难后,人口会急剧下降,但灾难过后,随着生活环境变好,通常会出现一批“出生潮”。然而,研究人员表示,此次新冠肺炎造成的影响可能会更加长久,甚至可能会影响一代人。

研究人员表示,新冠肺炎的隔离措施给全世界造成了巨大的经济损失,人们的收入以及消费意愿均下降,未来的不确定性让养育子女的成本变大,在生育子女方面,人们会变得十分谨慎。

在高收入国家,由于长期社交隔离政策,工厂停工、商铺关门以及学校停课让家庭成员重归团聚,但这意味着大家面临沉重的经济压力,再生育一个子女?恐怕还要好好考虑。

另外一方面,由于发达国家产妇年龄通常较高,大多数家庭会选择辅助生殖技术,但在社交隔离期间,这些服务都暂时无法进行。

社会政治学教授阿恩斯坦·阿斯维(Arnstein Aassve)说:“尽管很难做出精确的预测,但至少短期内在高收入国家,生育率可能会下降。”

对于低收入和中等收入国家而言,近几十年来随着经济的快速发展,城市化进程不断深入以及女性解放等已经导致这些国家的生育率逐步降低,形成一种社会趋势。而当前经济形势的不景气,更会让他们仔细思考养育后代的成本。

根据区域收入水平推测受新冠肺炎影响后的生育轨迹。

研究人员表示,新冠肺炎疫情对我们生活的影响还将继续,世界各国生育率的降低,将对社会老龄化以及经济发展产生不可避免的影响。同时,目前看不到经济会迅速反弹的迹象,全世界应做好相应准备,共同迎接挑战,走向未来。

原始出处:

A Aassve, N Cavalli, L Mencarini,et al.The COVID-19 pandemic and human fertility.Science. 2020 Jul 24;369(6502):370-371. doi: 10.1126/science.abc9520.

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    2020-08-04 jichang
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    2020-08-03 1240394fm61暂无昵称

    居家受孕是不是增加

    0

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    2020-08-02 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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    2020-08-02 lovetcm

    #新冠肺炎#生育力下降是必然

    0

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砂眼衣原体是最流行的性传播细菌感染。然而,砂眼衣原体对精子质量和雄性生育力是否有不好的影响还存在争议。最近,有研究人员利用动物模型报道了砂眼衣原体体内试验对精子质量的影响和雄性生殖器感染对雄性生育力的影响。研究人员从健康的捐赠者中获得人类的小鼠的精子,从C57BL/6小鼠中获得尾附睾。研究人员将高度活力的人类或者小鼠的精子在体内环境下暴露在砂眼衣原体下,并分析了精子质量的相关参数。更多的是,研究对

韩雁冰副主委:女性癫痫患者的生育力研究

动物实验和对癫痫患者的研究均证实,癫痫或AEDs可增加癫痫女性患者生育风险,而生育力是青春期女性癫痫患者最关心和担心的问题。在服用AEDs的患者中,大约1/3为孕龄女性,其中几乎一半的患者为非计划怀孕。妊娠女性的癫痫患病率为0.3%~0.8%,使其成为孕妇中常见的神经疾病之一。据报道,癫痫女性的受精率只是正常人群的2/3,特别是在颞叶癫痫患者中,并且右侧颞叶癫痫患者出现性功能障碍的概率大于左侧