نتایج جستجو برای: reproductive wast age
تعداد نتایج: 835272 فیلتر نتایج به سال:
Background and Objective: The1994 International Conference on Population and Development (ICPD) specifically identified “empowering women” as an essential ingredient for achieving desirable reproductive health and population outcomes. This study was done to determine the relation between women empowerment and reproductive behaviors. Materials and Methods: An analytical descriptive surv...
Using 15 years of data from a stable population of wild Eurasian beavers (Castor fiber), we examine how annual and lifetime access to food resources affect individual age-related changes in reproduction and somatic condition. We found an age-related decline in annual maternal reproductive output, after a peak at age 5-6. Rainfall, an established negative proxy of annual resource availability fo...
Evolutionary theories of aging predict that fitness-related traits, including reproductive performance, will senesce because the strength of selection declines with age. Sexual selection theory predicts, however, that male reproductive performance (especially sexual advertisement) will increase with age. In both bodies of theory, diet should mediate age-dependent changes in reproductive perform...
The study was conducted at Ardaita Agricultural Technical Vocational Education Training (ATVET) college dairy farm, to evaluate the reproductive performance of Holstein Friesian and its crosses with Boran cattle breeds. Data collected between 2000 and 2015 on reproductive traits (n=2632) were studied and analyzed using general linear model procedure. The overall estimated means for age at first...
As the chronological age increases, there is a physiological decline in reproductive potential of women. Moreover, the chronological age of women may not reflect the biological age of her ovaries. Various endocrine markers have been used to assess the ovarian reserve. The changing pattern of the endocrine markers; follicle stimulating hormone (FSH), luteinizing hormone (LH), estradiol (E2) and ...
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