منابع مشابه
Prevalence and time trends of disabilities in school-age children.
BACKGROUND Although the evolution of the prevalence of cerebral palsy is now well documented, much less is known about the evolution of the prevalence of other disabilities such as mental retardation, sensorial defects, autism and psychosis. The aim of this paper is to determine those trends. METHODS A population-based survey was carried out in 1992-1993 in three French 'départments'. All dis...
متن کاملTime trends in the natural dizygotic twinning rate.
BACKGROUND The natural dizygotic (DZ) twinning rate has been proposed as a reliable and useful measure of human fecundity, if adjusted for maternal age at twin birth. The aim of this study was to analyze age-adjusted trends in natural DZ twinning rates over the past 40 years using data from the 'East Flanders Prospective Twin Survey (EFPTS)'. METHODS This study involved 4835 naturally conceiv...
متن کاملAutism prevalence trends over time in Denmark: changes in prevalence and age at diagnosis.
OBJECTIVE To examine the effect of changing age at diagnosis on the diagnosed prevalence of autism among different birth cohorts. DESIGN Population-based cohort study. SETTING Children were identified in the Danish Medical Birth Registry and psychiatric outcomes were obtained via linkage with the Danish National Psychiatric Register. PARTICIPANTS All children born in Denmark from January ...
متن کاملThe Trends of Prevalence of Obesity in Turkey From 2008-2016
Objective: Obesity is one of the major public health problems in Turkey and worldwide. This study was conducted to determine the trends of the obesity prevalence in Turkey from 2008 to 2016 by analysing sociodemographic data. Materials and Methods: This study was cross-sectional. Analysis was performed based on 2008, 2010, 2012, 2014 and 2016 data from Health Survey by Turkish Statistical Inst...
متن کامل: the effect of sericin levels (silk glue protein) on rate of in vitro maturation, fertilization and culture of sheep oocytes
هدف از آزمایش اول بررسی اثر سطوح مختلف سریسین [0 (control), 0.1, 0.5, 1.0, 2.5 %] افزوده شده به محیط , ivm بر cumulus cell expansion، بلوغ هسته و توسعه متوالی جنین، در گوسفندان نژاد سنجابی در فصل تولید مثلی می باشد. از سرگیری میوز به وسیله خارج شدن اولین پولار بادی اندازه گیری و هم چنین درصد رسیدن جنین های دو سلولی به مرحله کلیواژ و بلاستوسیت نیز به عنوان نشانه ای از میزان شایستگی توسعه اولیه ج...
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ژورنال
عنوان ژورنال: Kanzo
سال: 1986
ISSN: 0451-4203,1881-3593
DOI: 10.2957/kanzo.27.303