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Showing 1 to 17 of 17 for “"Parental Age"”.
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Associations of parental age, socioeconomic status, antral follicle count with assisted reproductive technology treatment outcomes
… for this issue. It is unclear whether advanced parental age, low socio-economic status (SES), and antral follicle count (AFC) are significantly and independently associated with adverse ART outcomes. There is little known about their interaction effects with an unhealthy lifestyle on adverse ART …
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Parental Age at Conception: An Examination of Risk Factors Related to Autism Severity and Comorbid Psychopathology
… trend for parents to have children at later ages. Previous research has begun to examine the relationship between advanced parental age at conception and the incidence of autism and have noted strong relationships between advanced parental age and other developmental disabilities. The purpose …
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The Effects of Parental Age and Housing Type on the Reproductive Success of the Purple Martin (<em>Progne subis subis</em>)
… Martin (<em>Progne subis subis</em>) based on parental age and type of housing used. Reproductive parental ages consist of adults (experienced breeders) and subadults (first time breeders). Housing types included in this study were aluminum housing, wooden housing, plastic gourds, natural …
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Transgenerational Effects of Maternal Age on Offspring Fitness in Crickets
<p>Advanced parental age is an important aspect of parental condition that can have both positive and negative effects on offspring fitness, and thus, parental age can be considered a parental effect. As a parental effect, parental age may affect a variety of offspring traits and may cascade to …
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Qualitative and Quantitative Fitness Consequences of Advanced Maternal Age
<p>Parental age can affect offspring fitness across taxa and through various mechanisms. However, the effect(s) of advanced maternal age on offspring, particularly in insects, has not been comprehensively reviewed making it difficult to draw conclusions about the effects of advanced maternal age on …
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The effects of certain age factors on the response of the German cockroach to insecticides
Two age factors were studied: the age of the roach at the time of testing, and the age of the female parent at the time reproduction occurred. Age groups from 1-3 days to 25-28 days were used to test the first factor and the first three egg eases were used to test the latter. Age was found to be a …
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The Relationship Between Satellite Association and Trisomy 'G'
… together with the clinical, cytogenetical, and parental age involvement in trisomy 'G', has been reviewed. The design of this investigation was divided into two parts, namely methodological and clinical. In the first part of the study, a standardised technique was developed to provide the lowest …
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Nexus between work and family in stay-at-home father households: analysis using the current population surveys, 1968-2008.
… family demands are lower in terms on number and age of children. In sum, stay-at-home father households experienced tremendous change in the last 41 years. This change was threefold. First, stay-at-home father households almost tripled in their frequency within the U.S. population. Second, …
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A Descriptive Correlational Study of Rate and Determinants of Parental mHealth Adherence to Symptom Home Monitoring for Infants with Congenital Heart Disease during the Single Ventricle Interstage Period: The DOMAIN Study
… annually. Treatment typically involves a three-staged surgical strategy over the first three years of life with parental home monitoring of the infant during the interstage period, which is the time between the first two surgeries. Symptom home monitoring during the interstage period increasingly …
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Selfish Mutations: the Genetic Basis of the Paternal Age Effect
<p>As the mean age of childrearing grows, the effect of parental age on genetic disease and child health becomes ever more important. A number of autosomal dominant disorders show a dramatic paternal age effect due to selfish mutations: substitutions that grant spermatogonial stem cells (SSCs) a …
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Lifetime fitness and changing life history traits in Red-cockaded Woodpeckers
… to different aspects of fitness, including: parental age and hatch date affecting survival to year one and probability of attaining breeding status; and lay date, clutch size, age at first reproduction, and variance in clutch size affecting lifetime fitness. I also found that many traits were …
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The impact of female-headed households on schooling outcomes in the Mbonambi Area
… in their children thus resulting in below average schooling achievement of their children. Mbonambi is a rural area located within the heart of Northern Zululand which comprises a high proportion of female relative to male headed households primarily due to men opting for labour migration to …
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Germline mutation in rare disease
… rates and spectra across individuals and parental origin. These analyses fall into three distinct projects. My first project in this dissertation focuses on the mutational origins and pathogenic impact of multi-nucleotide variants (MNVs). These are variants that fall within 20 base pairs …
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Characteristics of tuberous sclerosis complex in a South African cohort : description and parental understanding
… associated complications manifest with advancing age. Parents are faced with the challenge of life long care for these children. Half of the parents of children with TSC suffer significant psychological stress. Child specific factors, health literacy, and social stability are some factors known to …