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PubMed Journals Articles About "Hormone Levels Alter Risk Older Women" RSS

00:36 EST 16th November 2018 | BioPortfolio

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Showing "Hormone Levels Alter Risk Older Women" PubMed Articles 1–25 of 39,000+

A combination of follicle stimulating hormone, estradiol and age is associated with the pregnancy outcome for women undergoing assisted reproduction: a retrospective cohort analysis.

To investigate the effect of basal hormone levels including follicle stimulating hormone (FSH) and estradiol (E) and age on the pregnancy outcomes in women undergoing in vitro fertilization and embryo transfer (IVF-ET), we designed a retrospective cohort analysis and collected information of patients undergoing IVF between January 2014 and April 2017. We found that young women had much better pregnancy outcomes than older women regardless of the hormone levels. The pregnancy outcomes declined in young women...


Sex Hormone Levels by Presence and Severity of Cirrhosis in Women With Chronic Hepatitis C Virus (HCV) Infection.

Cirrhosis is associated with hormonal dysregulation, as evidenced by secondary amenorrhea in reproductive-aged women, and feminization of cirrhotic men. Whether hormone levels vary by severity of cirrhosis in women is not known. If identified, such changes may have important clinical relevance, particularly as low sex hormone binding globulin (SHBG) and follicle stimulating hormone (FSH) are known to promote metabolic and cardiovascular disease in women. In a cohort of post-menopausal women with chronic hep...

Prospective Study of Endogenous Hormones and Incidence of Venous Thromboembolism: The Atherosclerosis Risk in Communities Study.

Exogenous hormone treatments in women (oral contraceptives and hormone replacement therapy [HRT]) are established risk factors for venous thromboembolism (VTE), but less is known about associations between plasma levels of endogenous hormones and VTE risk. We examined the association of baseline dehydroepiandrosterone sulphate (DHEAS), testosterone and sex hormone-binding globulin (SHBG) with risk of future VTE in men and post-menopausal women in the Atherosclerosis Risk in Communities Study. Testosterone, ...


Hysterectomy status and all-cause mortality in a 21-year Australian population-based cohort study.

Hysterectomy is a common surgical procedure, predominantly performed when women are between 30 and 50 years old. One in three women in Australia has had a hysterectomy by the time they are 60 years old, and 30% have both ovaries removed at the time of surgery. Given this high prevalence, it is important to understand the long-term effects of hysterectomy. In particular, women who have a hysterectomy/oophorectomy at younger ages are likely to be pre- or perimenopausal and may experience greater changes in ho...

Effect of Dietary Flaxseed Intake on Circulating Sex Hormone Levels among Postmenopausal Women: A Randomized Controlled Intervention Trial.

Lignan intake, and its richest food source, flaxseed, have been associated with reduced breast cancer risk. Endogenous sex hormones, such as estrogens, play a role in breast cancer development, and lignans may alter these sex hormone levels. To assess the effect of flaxseed on circulating sex hormones, a randomized controlled trial was conducted among 99 postmenopausal women in Toronto, Canada. The intervention arm consumed 2 tablespoons (15 g) of ground flaxseed daily for 7 weeks; the control arm maintai...

Body symmetry and reproductive hormone levels in women.

Fluctuating asymmetry (FA), a morphological marker of developmental stability, may be related to an individual's biological condition, e.g., health or fertility. The aim of this study was to test if the level of a woman's FA was related to her fertility and reproductive potential as measured by reproductive hormone levels. Fifty-three healthy, non-pregnant, naturally cycling women (mean age = 23.42, SD = 1.85 years), participated in the study, conducted in Wrocław (Poland) in May 2015. Early-follicula...

Gray matter differences associated with age and sex hormone levels between premenopausal and perimenopausal women, a voxel-based morphometry study.

To explore brain morphological alterations associated with age and sex hormone levels between premenopausal and perimenopausal women using magnetic resonance imaging (MRI) T -weighted structural images.

27-hydroxycholesterol, an endogenous SERM, and risk of fracture in postmenopausal women: A nested case-cohort study in the Women's Health Initiative.

27-hydroxycholesterol (27HC) is a purported, novel endogenous SERM. In animal models, 27HC has an anti-estrogen effect in bone, and 17β-estradiol mitigates this effect. 27HC in relation to fracture risk has not been investigated in humans. Depending on the level of bioavailable 17β-estradiol (bioE2), 27HC may increase fracture risk in postmenopausal women and modify the fracture risk reduction from menopausal hormone therapy (MHT). To test these a priori hypotheses, we conducted a nested case-cohort study...

Low estrogen doses normalize testosterone and estradiol levels to the female range in transgender women.

The ideal dosage of cross-sex hormones remains unknown. The aim of this study was to evaluate the luteinizing hormone, follicle-stimulating hormone, testosterone, estradiol and prolactin levels after low-dose estrogen therapy with or without cyproterone acetate in transgender women.

Aromatized Estrogens Amplify Nocturnal Growth Hormone Secretion in Testosterone-replaced Older Hypogonadal Men.

Sex steroids regulate growth hormone (GH) secretion in men and women. Testosterone (T) increases GH secretion in older men with a relative lack of T, in hypogonadal men of all ages, and in patients undergoing gender reassignment. The role of estradiol (E2) in men less well defined.

Risk of venous thromboembolism events in postmenopausal women using oral versus non-oral hormone therapy: A systematic review and meta-analysis.

Hormone therapy (HT) is an effective treatment for climacteric symptoms. Nevertheless, combined estrogen-progestin therapy and the oral route seem to entail higher risk of venous thromboembolism (VTE) than estrogen-only therapy and transdermal administration. The present study aimed to investigate the risk of thromboembolic events in postmenopausal women using non-oral estrogen compared to women using oral estrogen and control groups (women receiving placebo or non-users of HT), as well as to assess the thr...

Risk factors for deep venous thrombosis in women with ovarian cancer.

We aim to clarify the incidence of deep venous thrombosis (DVT) before treatment in women with ovarian cancer and identify risk factors for DVT.In this prospective study, 110 women underwent venous ultrasonography before cancer treatment and D-dimer levels were measured. We investigated factors predicting DVT by logistic regression.DVT was detected in 25 of 110 women (22.7%) and pulmonary thromboembolism was coexisted in 2 women (1.8%). A total of 21 women (84.4%) with DVT were asymptomatic. D-dimer levels ...

Thyroid Autoantibodies do not Impair the Ovarian Reserve in Euthyroid Infertile Women: A Cross-Sectional Study.

Patients with primary ovarian insufficiency (POI) have a high prevalence of thyroid autoimmune disorders. However, the extent of the contribution of thyroid autoantibodies or elevated thyroid-stimulating hormone (TSH) levels to decreased ovarian reserve is unclear. Therefore, we evaluated the serum levels of anti-Müllerian hormone (AMH) and thyroid autoantibodies [antithyroperoxidase antibody (TPOAb), and antithyroglobulin antibody (TgAb)] in euthyroid infertile women. One hundred and fifty-three women wit...

"I was referred from the other side": Gender and HIV testing among older South Africans living with HIV.

South Africa has a Universal Test and Treat (UTT) policy in place to ensure that everyone tests for HIV and can access treatment if they test positive. The aim of this study is to document the pathways that older South Africans who are living with HIV take to access testing and treatment in this context. Despite the aging of the HIV epidemic in South Africa and clear evidence that testing older persons (over age 50) is necessary, very little is known about the circumstances under which older persons test fo...

Cognition and Vitamin D in Older African-American Women- Physical performance and Osteoporosis prevention with vitamin D in older African Americans Trial and Dementia.

To examine the effect of 25-hydroxyvitamin D (25(OH)D) levels recommended by Endocrine Society guidelines (>30 ng/mL) on cognition in healthy older African-American women over 3 years.

Hormone therapy in postmenopausal women associated with risk of stroke and venous thromboembolism: a population-based cohort study in Taiwan.

The aim of the study was to evaluate the risks and benefits of hormone therapy (HT) in postmenopausal women in Taiwan.

Pituitary-gonadal and pituitary-thyroid axis hormone serum levels in postmenopausal women of the European North of the Russian Federation, depending on the age.

Using the methods of radioimmunoassay and enzyme immunoassay there were studied the levels of hormones of the pituitary-thyroid and pituitary-gonadal systems in the postmenopausal women of the European North of the Russian Federation in the second period of mature age, elderly and senile ages. The lower concentrations of total and free fractions of triiodothyronine and total thyroxin, testosterone, dehydroepiandrosterone sulfate, and estradiol were noted in the blood of investigated women in the senile age....

Risk factors for breast cancer in a cohort of mammographic screening program: a nested case-control study within the FRiCaM study.

Breast cancer is the most common cancer diagnosis and the leading cause of cancer death among women in the world, and differences across populations indicate a role of hormonal, reproductive and lifestyle factors. This study is based on a cohort of 78,050 women invited to undergo a mammogram by Local Health Authority of Milan, between 2003 and 2007. We carried out a nested case-control study including all the 3303 incident breast cancer cases diagnosed up to 2015, and 9909 controls matched by age and year o...

The Influence of Menopausal Hormone Therapy and Potential Lifestyle Interactions in Female Cancer Development-a Population-Based Prospective Study.

The past decades have seen contradictory research results on the health benefits and risks of menopausal hormone therapy (HT). In particular, long-term associations with overall cancer incidence and the potential interplay with other lifestyle factors remain undetermined. In a population-based prospective cohort, 29,152 women aged 50-64 years at entry (1993-1997) were followed through 2013 for incidence of cancer (99% complete follow-up). Cox' proportional hazards models were used to estimate cancer incide...

Hormone Therapy in Breast Cancer Survivors and Those at High Risk for Breast Cancer.

Women and health care providers are often fearful of using hormone therapy to deal with distressing menopausal symptoms in circumstances where there is a perceived or real increased risk of breast cancer. This paper examines the evidence for and against hormone therapy use in 3 common clinical situations: the woman with a positive family history in a first-degree relative, the woman who has undergone risk-reducing salpingo-oophorectomy due to a known genetic mutation, and the woman in whom treatment of brea...

Urinary concentrations of parabens mixture and pregnancy glucose levels among women from a fertility clinic.

A number of endocrine disrupting chemicals (EDC) have been associated with gestational diabetes (GDM) risk factors. However, no human study has investigated the association between pregnancy exposure to parabens, a class of EDCs, and pregnancy glucose levels, a risk factor for GDM. Furthermore, little is known about this association in subfertile women-a group at high risk of GDM.

Serum anti-müllerian hormone levels in evaluation of chemotherapy effect on ovarian reserve in women with breast cancer. A follow-up study.

To investigate the role of serum anti müllerian hormone (AMH) pre-chemotherapy treatment levels in prediction of post-chemotherapy effect on the ovarian reserve of women with breast cancer.

The effects of 12-week progressive strength training on strength, functional capacity, metabolic biomarkers, and serum hormone concentrations in healthy older women: morning versus evening training.

Previous findings suggest that performing strength training (ST) in the evening may provide greater benefit for young individuals. However, this may not be optimal for the older population. The purpose of this study was to compare the effects of a 12-week ST program performed in the morning vs. evening on strength, functional capacity, metabolic biomarker and basal hormone concentrations in older women. Thirty-one healthy older women (66 ± 4 years, 162 ± 4 cm, 75 ± 13 kg) completed the study. Pa...

Sexual Health Behavior and Mental Health Among Older African American Women: The Sistahs, Sexuality, and Mental Health Well-Being Project.

In Los Angeles County, the rates of sexually transmitted infections and diseases among African Americans represent a significant public health disparity. Older African American women are at particular risk as they are more likely to engage in high-risk sexual behaviors and report social isolation and loneliness than their younger counterparts. However, the literature on the relationship between sexual health and mental health in this group is limited. The purpose of this study was to use a community-based p...

Serum Vitamin D Binding Protein Level Associated with Metabolic Cardiovascular Risk Factors in Women with the Polycystic Ovary Syndrome.

The objective of the study was to measure the levels of 25-hydroxyvitamin D [25(OH)D] and vitamin D binding protein (VDBP) and assess their relationships with cardiovascular risk factors in women with the polycystic ovary syndrome (PCOS). A group of 267 women, aged 20-35 years (24.7 ± 4.9): 167 with PCOS and 100 healthy women were divided according to body mass index. Biochemical and hormonal parameters were measured. Free and bioavailable 25(OH)D were calculated using the mathematical equations. The perce...


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