体重明显增长是因为两组小鼠肠道细菌的差异。
The microbiome, which houses such bacteria, in mice born vaginally progressed normally throughout the course of the study.
能培养此类细菌的微生物菌群在自然分娩降生的小鼠体内生长正常。
However, that of mice born by c-section, matured too quickly at first and then regressed later in their lives.
然而,剖腹产出生的小鼠起初成熟速度过快,随后发育出现倒退。
study author Dr Maria Dominguez-Bello said: 'Our study is the first to demonstrate a causal relationship between c-section and increased body weight in mammals.'
研究报告的作者玛丽亚•多明格斯-贝罗称:“我们的研究首次证明了剖腹产和哺乳动物体重增加之间的因果关系。”
The research team said that c-sections, while critical in about 15 percent of births, are widely overused, citing that 50 percent of births in Brazil, Iran and the Dominican Republic are performed via the operation.
该研究团队表示,虽然在人类的生产中约15%的剖腹产是必要的,但很多地方都在滥用剖腹产手术,例如巴西、伊朗和多米尼加共和国的剖腹产比例为50%。
They are hopeful that their work will curb unnecessary cesareans and bring down the growing obesity rate in the US.
该团队希望他们的研究可以扼制不必要的剖腹产手术,降低美国日益严重的肥胖率。
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