The ecology of birth seasonality among agriculturalists in central Africa.

@article{Bailey1992TheEO,
  title={The ecology of birth seasonality among agriculturalists in central Africa.},
  author={Robert C. Bailey and Mark R. Jenike and Peter T. Ellison and Gillian R. Bentley and Alisa M Harrigan and Nadine R. Peacock},
  journal={Journal of biosocial science},
  year={1992},
  volume={24 3},
  pages={
          393-412
        }
}
The Lese are subsistence farmers living in the Ituri Forest of north-east Zaïre. They exhibit significant birth seasonality, with lowest frequencies of conception when food production is least, nutritional status is low and ovarian function, as measured by salivary steroid hormone levels, is reduced. Efe pygmy foragers, who live in the same geographical area but are less dependent on cultivated foods and have a more flexible life style, do not exhibit frequent fluctuations in nutritional status… CONTINUE READING
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