Sex ratios: are there natural variations within the human population?

@article{Maconochie1997SexRA,
  title={Sex ratios: are there natural variations within the human population?},
  author={Noreen E. S. Maconochie and Eve Roman},
  journal={British journal of obstetrics and gynaecology},
  year={1997},
  volume={104 9},
  pages={1050-3}
}
OBJECTIVE To investigate on a population basis the suggestion that certain factors naturally alter the odds of having a boy or a girl, and that some women are predisposed towards having children of one particular gender. DESIGN Routine data analysis. POPULATION Routinely collected data on singleton infants born in Scotland from 1975 to 1988, linked so that births (live and still) to the same mother could be identified. The analyses relate to 549,048 first to fifth order births occurring to… CONTINUE READING