Results 21 to 30 of about 6,869,135 (344)

Functions of Mass Media in the Coverage of Reproductive Behavior of Young People

open access: yesГуманитарный вектор, 2020
The article is dedicated to a study of media communication strategies aimed at educating of the readership with regards to reproductive behavior. Nowadays, the journalists focus not only on traditional issues of marriage, parenthood, early sexual ...
Ksenya E. Vinogradova   +1 more
doaj   +1 more source

Brazil's Missing Infants: Zika Risk Changes Reproductive Behavior.

open access: yesDemography, 2019
Zika virus epidemics have potential large-scale population effects. Controlled studies of mice and nonhuman primates indicate that Zika affects fecundity, raising concerns about miscarriage in human populations.
M. Rangel, J. Nobles, Amar Hamoudi
semanticscholar   +1 more source

Differences in Reproductive Behavior between Spawning and Non-Spawning Zebrafish Pairs and the Effects of 17α-Ethinylestradiol (EE2)

open access: yesToxics, 2016
Reproductive success manifested by spawning and fertilization, in most fish, depends partly on an appropriate courtship behavior by both sexes. The zebrafish reproductive behavior can be resolved in some of its constituent elements by a computerized ...
Per G. Henriksen   +2 more
doaj   +1 more source

Epidemiology of female reproductive cancers in Iran: Results of the gholestan population-based cancer registry [PDF]

open access: yes, 2014
Background: Malignancies of the female reproductive tract are estimated to be the third most common group of cancers in women. Objectives: We here aimed to present their epidemiological features in Golestan provincelocated in Northeast of Iran. Materials
Fazel, A.   +9 more
core   +1 more source

Influência da idade da fêmea na performance reprodutiva e longevidade de Argyrotaenia sphaleropa (Lepidoptera, Tortricidae) Female age effect on reproductive performance and longevity of Argyrotaenia sphaleropa (Lepidoptera, Tortricidae)

open access: yesIheringia: Série Zoologia, 2005
Argyrotaenia sphaleropa (Meyrick, 1909) é uma praga generalista de fruteiras na América do Sul. A influência da idade da fêmea na performance reprodutiva e longevidade foi investigada sob condições laboratoriais.
Ângelo P. Pinto   +2 more
doaj   +1 more source

The geometry of reaction norms yields insights on classical fitness functions for Great Lakes salmon. [PDF]

open access: yes, 2020
Life history theory examines how characteristics of organisms, such as age and size at maturity, may vary through natural selection as evolutionary responses that optimize fitness.
Breck, James E   +5 more
core   +2 more sources

Egg development and hatching in two Red Sea damselfishes

open access: yesFrontiers in Marine Science, 2023
Damselfishes (family Pomacentridae) are widely distributed reef-associated marine fishes. The family’s diversity, iconic nesting behaviors, and high environmental adaptability contribute to the popularity of damselfishes as aquarium species, tourist ...
Song He, Michael L. Berumen
doaj   +1 more source

At the Crossroad of Decision to Have Children: An Analysis of Individual and Social Childbearing Challenges in the Context of Low Fertility in Isfahan [PDF]

open access: yesجامعه شناسی کاربردی, 2022
Introduction In low fertility settings, couple's decision to have children is usually a planned and complex decision that the couple makes based on consideration of their individual and family life on the one hand and considering the social and economic ...
Farideh Shams Gahfarokhi   +4 more
doaj   +1 more source

Ancient genomes show social and reproductive behavior of early Upper Paleolithic foragers

open access: yesScience, 2017
How early human groups were organized Sequencing ancient hominid remains has provided insights into the relatedness between individuals. However, it is not clear whether ancient humans bred among close relatives, as is common in some modern human ...
M. Sikora   +26 more
semanticscholar   +1 more source

The Sociogenomics of Polygenic Scores of Reproductive Behavior and Their Relationship to Other Fertility Traits

open access: yesRSF, 2018
Human reproductive behavior until relatively recently has been explained exclusively via individual and social characteristics. This article applies results from a recent Genome-Wide Association Study that combined sixty-two data sources to isolate ...
M. Mills, Nicola Barban, Felix C. Tropf
semanticscholar   +1 more source

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