The aim of this study is to look at some determinants of fertility differences between monogamous and polygynous wives of ranks 1 to 3 or higher in two rural regions of Senegal. The measure of fertility is a dichotomous variable that refers to the occurrence of a birth during the 12 months prior...

ObAiDOi Nassour and van de Walif Etienne ? Methodological reflection on multi-stage field surveys : EMIS survey of the region of Bobo-Dioulasso. The most difficult problem involved in multi-stage field surveys is caused by non-response for unknown reason In the EMIS survey carried out in the...

SUMMARY Data concerning infant mortality in the Paris region during the 19th century are jar from reliable because many children were fostered in the countryside, so that the number of deaths (numerator) is reduced while that of births (denominator) is not. Errors due to this practice are not...

Van de Walle (Etienne).- For a demographic history of abortion Prior to the 19th century, the sources for the study of abortion in the west are not statistical but literary, medical, religious and legal, and give little indication of its demographic weight. It is, however, possible to study the...

SUMMARY The point is to know if the populations of the past were aware of the influence of breast-feeding upon fecundability and what the consequences of the opinion on this matter have been on the use of nurses. Here are presented the ideas on breast-feeding of some ancient famous physicians...