一个新的选择指标在子宫内
Ralph Catalano1, Tim A Bruckner2, Alison Gemmill3
1School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
Evolution, medicine, and public health
|July 24, 2023
概括
在COVID-19大流行期间,子宫内选择有利于胎儿更快的生长,减少了瑞典出生队伍中生长缓慢的胎儿的数量. 这表明对影响产前发育的人口压力因素的反应.
科学领域:
- 进化生物学是进化的生物学.
- 人类的繁殖人类的繁殖.
- 人口统计学 人口统计学
背景情况:
- 人口压力因素可以影响胎儿生长率,影响生存率.
- 传统的胎儿死亡登记错过了早期的损失,需要间接指标.
- 在子宫内进行选择是产前发育和生存的关键因素.
研究的目的:
- 提出和验证一种新的指标,用于在子宫内对缓慢生长的胎儿进行选择.
- 评估子宫内选择对性别特异性的影响.
- 用瑞典出生数据检查COVID-19大流行对子宫内选择的影响.
主要方法:
- 使用Box-Jenkins方法对50个大流行前的每月出生队列 (2016年12月至2020年1月).
- 开发了转移函数来预测一个新的选择指标的反事实值.
- 针对95%检测间隔的10个流行病暴露出生队伍 (2020年2月以后) 的分析残留物.
主要成果:
- 在男性和女性队伍的最后10个残留物中,有4个低于95%的检测间隔.
- 这种模式表明,在疫情期间,与历史趋势有显著的偏差.
- 该指标显示了对选择压力变化的敏感性.
结论:
- 这些发现与子宫内选择在COVID-19大流行期间有利于胎儿更快的生长相一致.
- 瑞典在疫情爆发时怀孕的出生队伍显示,慢生长的胎儿比历史上预期的要少.
- 拟议的指标有效地捕捉了产前选择压力的变化.
相关概念视频
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