Results 11 to 20 of about 440,897 (265)
Effects of maternal anxiety on fetal and maternal circulation
The aim of this study was to evaluate the association between maternal anxiety in the third trimester and changes in fetal and maternal circulation assessed by Doppler velocimetry.This is a prospective, cross-sectional study. The inclusion criteria were good health, a singleton pregnancy, maternal age between 18 and 40 years, and gestational age ...
Tiago Ferreira Jorge +1 more
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Evolution of maternal effect senescence [PDF]
Significance Evolutionary theory underpins our understanding of the aging process. The many aspects of reproduction that decline with maternal age in animals include number of offspring born, offspring size, and neonatal survival. Current theories of aging ignore potential differences in the evolutionary pressures on these traits ...
Moorad, Jacob, Nussey, Daniel
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The Effects of Childbirth Education on Maternity Outcomes and Maternal Satisfaction [PDF]
Past evaluation of the effectiveness of childbirth education classes related to obstetric outcomes and satisfaction with the birth experience have not shown consistent results. This study explored the relationship between attendance of set curriculum childbirth education class and the labor and birth process, as well as maternal satisfaction with the ...
Colleen G. Mueller +2 more
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The effect of pregnancy on maternal cognition [PDF]
AbstractTo determine whether there are differences in measures of cognitive function between second and third trimester pregnant women compared to non-pregnant controls. This prospective study comprised 40 pregnant and 40 non-pregnant women, 20–40 years old, native-Hebrew speakers who were recruited from the outpatient clinics during a period of nearly
Giulia Barda +5 more
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Environmentally induced transgenerational plasticity can increase success of progeny and thereby be adaptive if progeny experiences the similarly parental environment.
Kenian Li +4 more
doaj +1 more source
Variation in egg size and offspring phenotype among and within seven Arctic charr morphs
Maternal effects have the potential to alter early developmental processes of offspring and contribute to adaptive diversification. Egg size is a major contributor to offspring phenotype, which can influence developmental trajectories and potential ...
Samantha V. Beck +6 more
doaj +1 more source
The Evolution of Multivariate Maternal Effects
There is a growing interest in predicting the social and ecological contexts that favor the evolution of maternal effects. Most predictions focus, however, on maternal effects that affect only a single character, whereas the evolution of maternal effects is poorly understood in the presence of suites of interacting traits. To overcome this, we simulate
Bram Kuijper +2 more
openaire +5 more sources
Maternal effects on offspring phenotypes occur because mothers in many species provide an environment for their developing young. Although these factors are correctly “environmental” with respect to the offspring genome, their variance may have both a ...
Joseph P. Jarvis +5 more
doaj +1 more source
THE EFFECT OF OVERCIVILIZATION ON MATERNITY [PDF]
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The reproductive success of aquatic animals depends on a complex web of relationships between the environment, the attributes of the reproductive individuals and human-induced selection.
Rosario Domínguez-Petit +4 more
doaj +1 more source

