Sex ratio unaffected by parental age gap

被引：13
|
作者：
Arnold, F
Rutstein, S
机构：
[1] Demographic and Health Surveys,Department of Pediatrics
[2] Macro International,undefined
[3] The Galton Laboratory,undefined
[4] University College London,undefined
[5] East Carolina University School of Medicine,undefined
来源：
NATURE | 1997年 / 390卷 / 6657期
关键词：
D O I：
10.1038/36762
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Sex ratios based on a small sample of births tend to be very unstable. It is therefore not surprising that Manning et al. found a relationship between spousal age differences and the sex ratios at birth for a very small sample from a restricted population1. Their findings do not stand up to scrutiny when tested with larger, representative samples of births.
引用
收藏
页码：242 / 242
页数：1
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