نتایج جستجو برای: reproductive history
تعداد نتایج: 441343 فیلتر نتایج به سال:
Abstract Lagomorphs show extensive seasonal variation in their reproduction. However, the factors causing this large have so far mostly been investigated intraspecifically and therefore provide only some exemplary comparisons of lagomorph reproductive seasonality. The present study applies both a categorical description (birth season categories 1–5) quantitative measure length months) to summar...
BACKGROUND Studies have found that reproductive factors might have a variable effect on the occurrence of breast cancer (BC) according to the existence or not of a family history of BC. The effect of a family history of BC on the risk of BC may also vary according to the age at diagnosis and the degree of kinship. This may confound the relation between familial risk and reproductive factors. A ...
Epidemiological models generally explore the evolution of parasite life-history traits, namely, virulence and transmission, against a background of constant host life-history traits. However, life-history models have predicted the evolution of host traits in response to parasitism. The coevolution of host and parasite life-history traits remains largely unexplored. We present an epidemiological...
RHO: Adolescent Reproductive Health Overview/Lessons Learned Key Issues Annotated Bibliography Program Examples Links Presentations Download a PDF version of this section. Spanish edition With an estimated 1 billion adolescents alive today, the world is experiencing the largest adolescent population in history. As a result, adolescent reproductive health is an increasingly important component o...
"This ancient pattern of restrained reproduction appears optimal for the production of healthy, intelligent young. A return to such a pattern after nearly 10,000 years of high fertility is not in opposition to human nature or reproductive biology. It would, in fact, be most compatible with the patterns of parental investment and reproductive biology shaped by millions of years of evolutionary h...
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