最新一项研究表明，在极端温度下工作的孕妇，热应激或许会对她们腹中的胎儿产生影响。其影响包含胎儿心率加快和脐带血流减慢。This study monitored pregnant women who were working in rice fields in The Gambia. They were farming in direct sun for between two to eight hours, often in high humidity.这项研究监测了在冈比亚稻田里工作的孕妇。她们在阳光直射、且常常是高湿度条件下耕作两到八个小时。Researchers from the London School of Hygiene1 and Tropical Medicine say as a mother worked in the extreme heat the heart rate of the unborn child increased to dangerous levels. They also found the blood flow to the foetus slowed as the placenta was impacted by the heat.伦敦卫生与热带医学院的研究职员表示，当孕妇在极端高温环境下工作时，胎儿的心率会上升到危险水平。他们还发现，因为胎盘遭到高温的影响，流向胎儿的血流减慢。Scientists say this is the first real-world study looking at the impact of extreme heat on pregnant women in low-income countries. They are calling for more research as so many places now face rising temperatures.科学家们称，这是首次在现实世界中研究极端高温对低收入国家孕妇的影响。他们呼吁拓展更多的有关研究，由于很多地方目前都面临着气温上升的问题。
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1 hygiene n.健康法，卫生学 （a.hygienic） 参考例句： Their course of study includes elementary hygiene and medical theory.他们的课程包含基础卫生学和医疗常识。 Hes going to give us a lecture on public hygiene.他要给大家作关于公共卫生方面的报告。
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