But the latest study is the first to link the phenomenon to the stresses and strains of everyday life and to rising levels of stress hormones.
但这项最新研究还是第一次将这种现象与日常生活的紧张压力以及增长的应激激素水平相联系。
Some 338 women from around the UK who were trying to get pregnant kept diaries about their lives and sex lives and filled in questionnaires about how stressed they felt. Levels of stress hormones including cortisol were measured in the months before pregnancy.
英国各地大约338名打算怀孕的女性以日记形式记录了她们的日常活动和性生活,然后填写了调查问卷,问卷内容是关于她们所感受到的压力大小。在她们怀孕前的几个月内,测试了包括皮质醇在内的应激激素水平。
Of the babies born, 58 were boys and 72 were girls. Normally, in Britain 105 boys are born for every 100 girls.
在出生的婴儿中,有58个男孩和72个女孩。通常情况下,在英国,每出生100个女孩,就会有105个男孩诞生。
The most stressed women were up to 75 per cent less likely to have boys than the least stressed, the conference in Orlando, Florida, was told. Cortisol levels rise when people suffer long-term stress such as pressure at work and bad relationships.
从佛罗里达州奥兰多市举行的会议上得知,比起压力最小的女性,压力最大的女性无法诞育男孩的可能性高达75%。当人们长期遭受压力时,比如工作压力和不良关系带来的压力,皮质醇水平就会上升。
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