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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:
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.
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页码:242 / 242
页数:1
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