نتایج جستجو برای: premenopausal women
تعداد نتایج: 388379 فیلتر نتایج به سال:
Introduction: Exercises are effective in bone density in different areas of the body when they can increase the mechanical load or dynamic pressure in those areas. Therefore, the aim of this study was to investigate the effect of exercises in water on bone density of premenopausal women. Methods: This semi-experimental study was of pretest-posttest design. Twenty premenopausal women, between...
BACKGROUND A high proportion of glandular and stromal tissue in the breast (percentage breast density) is a strong risk factor for breast cancer development. Insulin-like growth factor-I (IGF-I) is hypothesized to influence breast cancer risk by increasing breast density. OBJECTIVES We studied the relation between premenopausal circulating IGF-I levels and premenopausal and postmenopausal, ab...
BACKGROUND Men and postmenopausal women with iron deficiency anemia are routinely evaluated to exclude a gastrointestinal source of suspected internal bleeding. Iron deficiency anemia in premenopausal women is often treated with simple iron replacement under the assumption that the condition is due to excessive menstrual blood loss. OBJECTIVES To determine the yield of endoscopy evaluations i...
Bone mineral density (BMD) has been suggested to be associated with atherosclerosis. In the present study, we evaluated the association between lumbar BMD and the segments of carotid intima-media thickness (CIMT), a surrogate marker of subclinical atherosclerosis, in Korean adults, with consideration of sex and menopause status. Among 1,679 Korean adults who enrolled in a Healthy Twin Study, 72...
BACKGROUND Results from epidemiologic studies on the relationship between vitamin D and breast cancer risk are inconclusive. It is possible that vitamin D may be effective in reducing risk only of specific subtypes due to disease heterogeneity. METHODS AND FINDINGS In case-control and case-series analyses, we examined serum concentrations of 25-hydroxyvitamin D (25OHD) in relation to breast c...
BACKGROUND The "timing hypothesis," in addressing findings from the Women's Health Initiative trial, suggests that hormone therapy (HT) should be initiated within 6 years of the menopause transition to extend a favorable estrogenic environment after menopause. METHODS We compared sex steroid and cardiovascular profiles at the 5-year follow-up visit in a community-based, longitudinal study of ...
INTRODUCTION Chronic hepatitis C is the main cause of death in patients with end-stage liver disease. Prognosis depends on the increase of fibrosis, whose progression is twice as rapid in men as in women. Aim of the study was to evaluate the effects of reproductive stage on fibrosis severity in women and to compare these findings with age-matched men. MATERIALS AND METHODS A retrospective stu...
The purpose of this study is to compare central obesity, insulin sensitivity, and cardiovascular disease risk factors between premenopausal and postmenopausal women with a history of gestational diabetes mellitus (GDM), controls, and women with type 2 diabetes (T2DM). Subjects were 73 overweight/obese and sedentary women who had a history of GDM (n=31) and were either premenopausal (n=11, 44±1 ...
BACKGROUND Lesbian and bisexual women may be at greater risk of breast cancer than heterosexual women during the premenopausal period due to disparities in risk factors. METHODS With 16 years of prospective data from a large cohort of U.S. women ages 25-58 years, we conducted a breast cancer risk assessment for 87,392 premenopausal women by applying the Rosner-Colditz biomathematical risk pre...
OBJECTIVE Levels of lipids and (apo)lipoproteins are known to increase after menopause, but it is unknown whether the genetic and environmental variability alters or whether lipids and (apo)lipoproteins are influenced by different genes before and after menopause. METHODS AND RESULTS We studied 453 monozygotic and 1280 dizygotic pairs of female white twins recruited from the St. Thomas' UK Ad...
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