Un metodo di stima degli intervalli genesici

M. Ventisette
In order to calculate birth intervals it would be necessary to know the distribution of women by birth age, child birth orders and completed parity. As this peculiarity generally is not known, for the calculation of birth intervals we resort to the formulation of hypotheses on mean age of fertility at last child birth. In the recent fertility trend such hypotheses seem unsatisfactory as they lead, for some Tuscan birth cohorts of women, to evidently...