fertility ratio

fer·til·i·ty ra·ti·o

a measure of the fertility of a population based on the female population in the child-bearing age group, defined as ages 15-49 years.
References in periodicals archive ?
The theory implies that a high sex ratio is positively associated with the proportion of women who marry and the fertility ratio and negatively associated with women's age at marriage, female literacy and labor force participation.
According to survey report over 38,02,928 infants born in a year and fertility ratio among women between 15 years of age to 19 years has been 01,46,425/ while among the women between 20 to 24 years of age fertility strength has been 10,05,337, where as among the women between 25 years to 29 years fertility ratio has been 12,38,000 and between 45 to 49 years old women this strength has been estimated up to 47,913 children per year.
Most of this attention has gone to the exceptionally high nonmarital fertility ratio (i.
More than a decade ago, Smith and colleagues demonstrated that an increase in the proportion of black women who were unmarried accounted for the overwhelming share of the increase in the black nonmarital fertility ratio.
The current total fertility ratio (TFR = number of children given birth per woman) is only 1.
An observed rise in the nonmarital fertility ratio (i.
Vitamin D deficient male rats had 45 % reduction in successful mating indicating lower fertility ratios with a few abnormal pregnancies and deliveries in females.
A Decomposition of Trends in the Nonmarital Fertility Ratios of Blacks and Whites in the United States 1960-1992.
Remember, they have already been around longer than you have, so don't doubt they are more tolerant than you are of freaky weather patterns, droughts and floods, and soil depths and fertility ratios.
Single plant lineages were maintained when assessing fertility ratios.
The high fertility ratios and the large numbers of children from these areas have intensified pressures in placements in the already crowded urban environments of the nation.
A decomposition of trends in the non-marital fertility ratios of blacks and whites in the United States, 1960-1992.