Disssertation Research: Breastfeeding and Fecundity Among Lese Horticulturalists of Zaire

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Previous research suggests that the pattern of breast feeding, as opposed to breast feeding per se, is the primary variable associated with differences in the length of lactational subfecundity. This has not yet been clearly established on a longitudinal basis, however, in a naturally fertile population. The research proposed her will investigate the relationship between lactating pattern and ovarian suppression, and will be the first prospective study in a naturally fertile population that uses direct observations of lactating activity combined with hormonal correlations of ovarian activity. Ovarian activity will be assessed using the non-invasive technique of radioimmunoassay of salivary hormones. Thus, this study stands to make a significant contribution to our understanding of the relationship between breast feeding patterns and fecundity, and the role of lactation in mediating birth intervals.