natural fertility

collocation in English

meaningsofnaturalandfertility

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withfertility.
natural
adjective
uk
/ˈnætʃ.ər.əl/us
/ˈnætʃ.ɚ.əl/
as found in nature and not involving anything made or done ...
See more atnatural
fertility
noun[U]
uk
/fəˈtɪl.ə.ti/us
/fɚˈtɪl.ə.t̬i/
(of animals and plants) the quality of being able to produce young ...
See more atfertility

(Definition ofnaturalandfertilityfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofnatural fertility

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Though the length of birth intervals can vary substantially under conditions ofnaturalfertility, the general pattern of these intervals is essentially the same innaturalfertilitypopulations.
From theCambridge English Corpus
To understand this, consider a woman who undernaturalfertilitywould have 12 confinements.
From theCambridge English Corpus
This does not mean that the women would achieve the full potential of theirnaturalfertility.
From theCambridge English Corpus
Thenaturalfertilityof participants increases as the government programme is assumed increasingly to include younger adult women.
From theCambridge English Corpus
This may suggest that even among thenaturalfertilitycohort of 1894-1913, fertility was not homogeneous.
From theCambridge English Corpus
To calculate this, we need to know what this distribution would be in a population withnaturalfertility.
From theCambridge English Corpus
However, the incidence of sterility and childlessness do not support the idea of impairment ofnaturalfertility.
From theCambridge English Corpus
Thus, their fertility level may be considered as approaching the biological maximum or what is sometimes called 'naturalfertility'.
From theCambridge English Corpus
Two of the factors that influence thenaturalfertilityrate of a population are permanent sterility and fecundability.
From theCambridge English Corpus
It has been observed that innaturalfertilitypopulations, women with a great number of confinements have shorter birth intervals than women with few confinements.#!
From theCambridge English Corpus
High levels of grazing pressure/utilization result in the loss of more productive species, except in areas where thenaturalfertilityand rainfall is high.
From theCambridge English Corpus
The age pattern of these rates started deviating from that of anaturalfertilitystandard for those who married between 1914 and 1923.
From theCambridge English Corpus
Since the age at last birth was 40 for those who married between 1894 and 1903, this marriage cohort was probably acting undernaturalfertility.
From theCambridge English Corpus
The natural vegetation is incorporated into the soil asnaturalfertility(usually as ashes after burning it) at the time of cultivation.
From theCambridge English Corpus
The advantage of this definition, however, is that it makes it easier for the demographer to distinguish between populations acting undernaturalfertilityand populations deviating from it.
From theCambridge English Corpus
This definition can allow ' spacing ' techniques of fertility control, consciously undertaken for the purpose of delaying further births, still to be characterized as a species ofnaturalfertility.
From theCambridge English Corpus
Disaggregating fertility by occupational group has revealed that even among thenaturalfertilitycohorts at the beginning of the study period (1894-1913) fertility was not homogeneous.
From theCambridge English Corpus
The method of family reconstitution was primarily devised to measure fertility and especially to establish how close the fertility of the examined population is\\was tonaturalfertility.
From theCambridge English Corpus
You can no more do that than you can create thenaturalfertilityof the soil.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Naturalfertilityin human beings is relatively poor; we are not an efficient species.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
It improved thenaturalfertilityof the soil, and it changed its colour.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
This has created a sandy desert where erosion by wind and rain quickly destroys anynaturalfertility.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
It is a great hardship to themselves and a squandering of thenaturalfertilityand resources of that land.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Want to learn more?
Go to the definition ofnatural
Go to the definition offertility
See other collocations withfertility