نتایج جستجو برای: ovarian ageing
تعداد نتایج: 107173 فیلتر نتایج به سال:
Background & Aims: Diabetes mellitus (DM) affects 4.5 million individuals in Iran. DM has a chronic, progressive nature and is associated with long-term complications, which adversely affect health due to the adoption of improper coping mechanisms, stemming from the psychological factor of ageing perception. The present study aimed to determine the correlation between the perception of aging an...
background: the purpose of this study was to compare the three different strategies, intravenous (iv) hydroxylethyl starch (hes), iv human albumin (ha), and oral cabergoline (cb) in the prevention of ovarian hyperstimulation syndrome (ohss). materials and methods: in this prospective randomized clinical trial, 91 women at high risk of developing ohss were allocated into the three groups, group ...
background: the predictive roles of follicle stimulating hormone (fsh), anti-mullerian hormone (amh) and antral follicle count (afc) as ovarian reserve markers in women with different age groups are not established well. objective: this study compares the value of fsh, amh and afc at the time of in vitro fertilization (ivf) treatment in different age groups. materials and methods: in this c...
AgeFactDB (http://agefactdb.jenage.de) is a database aimed at the collection and integration of ageing phenotype data including lifespan information. Ageing factors are considered to be genes, chemical compounds or other factors such as dietary restriction, whose action results in a changed lifespan or another ageing phenotype. Any information related to the effects of ageing factors is called ...
Free-ranging African elephants live in a fission-fusion society, at the centre of which is the matriarch. Matriarchs are generally older females that guide their families to resources and co-ordinate group defense. While much is known about elephant society, knowledge is generally lacking about how age affects the physiology of wild elephants. Investigation of the ovarian activity of free-rangi...
Kamphuis and colleagues analysed the overuse of in vitro fertilisation (IVF) treatment, focusing on the newer indications. The incidence of unexplained subfertility as an indication for IVF has undoubtedly increased, but why?With cited incidences being based on registries fromWestern countries, the most likely reason is the increase in female childbearing age and ovarian senescence in older wom...
Initiation of growth of resting ovarian follicles is a key phenomenon for providing an adequate number of mature oocytes in each ovulation, while preventing premature exhaustion of primordial follicle reserve during the reproductive lifespan. Resting follicle dynamics strongly suggest that primordial follicles are under constant inhibitory influences, by mechanisms and factors whose nature rema...
Shelf life prediction for liquid fuels depends on a reliable and efficient accelerated ageing method. Most of the available researches in this area are limited to isothermal ageing. Therefore, these isothermal ageing methods are not capable to predict shelf life for fuels at non-isothermal ageing conditions. In the previous work, a new approach called reaction severity index was proposed for t...
INTRODUCTION Cancer ovary is the third most common malignancy diagnosed in women in Karachi, a moderate to high risk region for the disease. MATERIALS AND METHODS Three hundred and thirty seven cases of ovarian cancer registered at the Karachi Cancer Registry for the years 1995-2002 were reviewed. RESULTS The age- standardized incidence rate (ASR) world per 100,000, crude incidence rate per...
The aim of nuclear power plant ageing management is to maintain an adequate safety level throughout the lifetime of the plant. In ageing studies, the reliability of components, systems and structures is evaluated taking into account the possible time-dependent degradation. The phases of ageing analyses are generally the identification of critical components, identification and evaluation of age...
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