نتایج جستجو برای: premenopause
تعداد نتایج: 147 فیلتر نتایج به سال:
Estrogens fluctuate across the lifespan in women, with circulating 17β-estradiol levels higher pre-menopause than estrone and circulating estrone levels higher postmenopause than 17β-estradiol. Estrone is a common component of hormone replacement therapies, but research shows that 17β-estradiol may have a greater positive impact on cognition. Previous studies show that acute estrone and 17β-est...
In Indian rhinoceros, extensive leiomyoma, a benign smooth muscle tumour, was sporadically diagnosed post mortem and commonly thought of as contributing factor for reduced fecundity of this species in captivity. However, to date, the prevalence of reproductive tract tumours and their relevance for fecundity are unknown. Our analysis of the international studbook now reveals that females cease r...
Oxytocin (OT) is a pituitary hormone and acts on the oxytocin receptor which are expressed in the brain, heart, kidney and blood vessels. OT has been implicated in its role in social bonding, and oxytocin's role in the parasympathetic nervous system includes the control of memory and learning processes and of various types of behaviour such as feeding, locomotion, as well as maternal and sexual...
BACKGROUND To determine reference intervals for serum levels of human epididymis protein 4 (HE4) in Chinese women. METHODS In this multicenter (n = 9) study, 618 healthy women, 767 patients with non-malignant diseases, and 951 patients with malignant tumors were enrolled. Serum levels of HE4 were measured in all patients using electrochemiluminescence immunoassays. The influence of age, menop...
BACKGROUND Participation in physical activity has a positive impact on the overall health and quality of life, whereas physical inactivity is associated with a poor prognosis among breast cancer survivors. Despite the health-enhancing benefits of physical activity, the majority of Malaysian breast cancer survivors are not physically active. This paper presents the design of a randomised study t...
In women there is a gradual rise in the basal level of follicle stimulating hormone (FSH) in the years prior to the menopause (pre-menopause) which is thought to be due to a relative lack of ovarian factors reflecting the number of antral follicles present in the ovaries. Experimental animal models for this phenomenon, particularly in mono-ovulatory species, have been lacking due to most animal...
Menopause, represents the end of woman’s reproductive life, is defined as the changeless stoppage of ovarian follicular activity and the menstrual cycle. This physiological process is characterized by alterations related with sex hormones and stepwise decrease of estrogen secretion. Thus, estradiol ranging from 5 to 25 pg/mL, while rising titers of gonadotrophins, so the levels of follicle stim...
Background: This study aims to understand the relationship between menopausal status and the presence of Metabolic Syndrome in women from 40 to 65 years, as well as to describe the distribution of each component of Metabolic Syndrome according to sample characteristics. Methods: A cross-sectional study was conducted with 551 women treated at a clinic in southern Brazil. MetS and its components ...
Objectives A multicenter study was organized to explore sources of variation (SVs) reference values (RVs) for 22 major immunochemistry analytes and determine intervals (RIs) the Russian population. Methods According IFCC Committee on Reference Intervals Decision Limits (C-RIDL) protocol, 758 healthy volunteers were recruited in St. Petersburg, Moscow, Yekaterinburg. Serum samples tested five tu...
abstract background: workplace exposures as in clinical work can cause disorders. some organ systems are at risk. this work may be a risk factor for early symptoms of menopause. the objective of this study was to compare the early symptoms of menopause between hospital personnel who work in clinical and office settings. materials and methods: this was a historical cohort study conducted on clin...
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