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Brief description of WHO protocol for data collection

Published online by Cambridge University Press:  31 July 2008

O. A. Dada
O. A. Dada
Affiliation:
Department of Pathology, Ogun State University, Sagamu, Nigeria
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Extract

The factors responsible for the return of fertility post-partum have not been very clearly defined. Several previous studies (Gross & Eastman, 1979; Diaz et al., 1988) have reported apparently major differences between populations in the duration of infertility associated with lactation. However, these differences may be related to the differences in study designs.

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References

Diaz, S., Rodriguez, G., Peralta, O. et al. (1988) Lactational amenorrhea and the recovery of ovulation and fertility in fully nursing Chilean women. Contraception, 38, 53.CrossRefGoogle ScholarPubMed
Gross, B. A. & Eastman, C. J. (1979) Prolactin secretion during prolonged lactational amenorrhoea. Aust. N.Z. J. Obstet. Gynaec, 19, 95.CrossRefGoogle ScholarPubMed
World Health Organization (1987) Breast-feeding and fertility: a simplified methodology for community-based calculation of the proportion of mothers at risk of conception by breast-feeding data. WHO, Geneva.Google Scholar