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Nursing behaviour and its relation to duration of post-partum amenorrhoea in an Andean community

Published online by Cambridge University Press:  31 July 2008

V. J. Vitzthum
V. J. Vitzthum
Affiliation:
Department of Anthropology and Center for Human Growth and Development, University of Michigan, Ann Arbor, USA
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Summary

Nuñoa is a high altitude rural Peruvian community characterized by socioeconomic stratification and differential access to the market economy. Nursing practices and the effects of nursing are also stratified; this translates into a risk of menses at 12 months post-partum nearly seven times greater in wealthier than in poorer women.

Most nursing occurs in the morning, among those who practise on-demand breast-feeding. Nursing episodes are clustered into sessions; the amount of breast-feeding is regulated by varying the number of episodes per session rather than by changing the duration of suckling episodes or the frequency of sessions per hour. Thus, resumption of ovulation is not dependent on the variable spacing of nursing episodes or sessions. The components of nursing activity most likely to be responsible for variation in the duration of post-partum amenorrhoea in these nursing women are mean session duration and mean number of episodes per session.

The mean duration of morning nursing sessions is negatively associated with infant's age, reflecting the greater reliance of younger children on breast-milk. The mean duration of afternoon nursing sessions is positively associated with mother's age, independent of infant's age, possibly reflecting maternal age-related variation in milk production capabilities. Baby minding by older daughters may also help to explain variation in afternoon nursing.

Type
Research Article
Information
Journal of Biosocial Science , Volume 21 , Issue 2 , April 1989 , pp. 145 - 160
Copyright
Copyright © Cambridge University Press 1989

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