the ratio of live births in an area to the population of that area; expressed per 1000 population per year
A broad term used to cover all aspects of the reproductive performance of a population of a country It is the average number of children each woman will bear in her fertile years (normally taken to be between 15 and 50) If fertility rate is 2 1 then a population is stable and replacing itself
The ability of soil to provide the necessary nutrients and water for plant growth
the actual reproductive performance of an individual, a couple, a group, or a population
The actual reproductive performance of an individual, a couple, a group, or a population See also general fertility rate
Percentage of all eggs set that are fertile, i e , capable of developing an embryo
The state or quality of being fertile or fruitful; fruitfulness; productiveness; fecundity; richness; abundance of resources; fertile invention; quickness; readiness; as, the fertility of soil, or of imagination
The actual reproductive performance of an individual, a couple, a group or a population
The fertility rates used in the projection were based on assumptions about the average completed family size of successive cohorts of women It was assumed that the average completed family size will continue to decline from the current figure of over 2 children per woman for those born in the early 1950s and reaching the end of their child bearing lives, to 1 66 for those born in 1972, before rising again to 1 75 for those born in 1987 and later
Ability of an individual or couple to reproduce through normal sexual activity. About 80% of healthy, fertile women are able to conceive within one year if they have intercourse regularly without contraception. Normal fertility requires the production of enough healthy sperm by the male and viable eggs by the female, successful passage of the sperm through open ducts from the male testes to the female fallopian tubes, penetration of a healthy egg, and implantation of the fertilized egg in the lining of the uterus (see reproductive system). A problem with any of these steps can cause infertility
The quality of soil that enables it to provide essential nutrient elements in quantities and proportions for the growth of specified plants
Production of male or female sex cells or average male or female viable sex cell production See also Soil Fertility
the property of producing abundantly and sustaining growth; "he praised the richness of the soil"
Completed Fertility Rate The average number of children born to women during the childbearing years of 15 to 44 Period Fertility Rate A single-year picture reflecting each female cohort's childbearing potential, which is subject to fluctuation based upon short-term social and economic trends This rate is used in the annual calculation of live births
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