Reproductive Hormones News and Research

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Natural compound found in red wine can lower testosterone levels in women with PCOS

Resveratrol—a natural compound found in red wine and grapes—can help address a hormone imbalance in women with polycystic ovary syndrome (PCOS), a leading cause of infertility in women, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

19 Oct 2016

Increasing incidence of thyroid cancer in past three decades

The incidence of thyroid cancer has tripled in the past three decades, yet the reason for this is not clear.

6 Oct 2016

VMS during menopause transition linked to sociodemographic, psychosocial factors

More data analysis about hot flashes from the Study of Women's Health Across the Nation has been published today in Menopause, the journal of The North American Menopause Society.

13 Jul 2016

Shift work alters internal body clock and leads to strokes, serious brain implications

Statistics show that some 15 million Americans don't work the typical nine-to-five. These employees (or shift workers), who punch in for graveyard or rotating shifts, are more prone to numerous health hazards, from heart attacks to obesity, and now, new research, published in Endocrinology, shows shift work may also have serious implications for the brain.

2 Jun 2016

Fertility problems put men at increased risk of metabolic diseases

Men with fertility problems are at risk of metabolic diseases as they age, according to work being presented at the European Association of Urology conference in Munich

14 Mar 2016

Northwestern University researchers identify molecular difference in male and female brains

Male and female brains operate differently at a molecular level, a Northwestern University research team reports in a new study of a brain region involved in learning and memory, responses to stress and epilepsy.

13 Aug 2015

Poor sleep linked to negative mood in women with bipolar disorder

Poor sleep is associated with negative mood in women with bipolar disorder, according to researchers at Penn State College of Medicine and University of Michigan Medical School.

30 Jun 2015

Serum testosterone may decline due to decreased sexual activity and desire in older men

In older men, decreased sexual activity and desire, not erectile dysfunction, may cause serum testosterone to decline, a new study from Australia finds. The results will be presented Saturday March 7, at ENDO 2015, the annual meeting of the Endocrine Society, in San Diego.

9 Mar 2015

Sensitive toxicity test aims to detect dangerous side effects in pharmaceutical development

Because of undetected toxicity problems, about a third of prescription drugs approved in the U.S. are withdrawn from the market or require added warning labels limiting their use. An exceptionally sensitive toxicity test invented at the University of Utah could make it possible to uncover more of these dangerous side effects early in pharmaceutical development so that fewer patients are given unsafe drugs.

16 Dec 2014

Researchers explore brain estrogens to mitigate learning and memory problems

New studies being launched by neurobiologist Luke Remage-Healey at the University of Massachusetts Amherst will investigate how estrogens produced in the brains of young birds enhance their ability to learn songs during a critical window during development.

22 Jul 2014

Researchers use safer method to stimulate ovulation in women undergoing IVF treatment

Researchers have successfully used a new and potentially safer method to stimulate ovulation in women undergoing IVF treatment.

21 Jul 2014

Low levels of testosterone decline physical function in elderly men

Elderly men with low levels of testosterone or other sex hormones have twice the likelihood of having declining physical function over two years' time compared with their peers who have the highest hormone levels, a new study from Australia finds.

23 Jun 2014

UCLA researchers publish landmark meta-analysis of sexual preferences at ovulation

If she loves you and then she loves you not, don't blame the petals of that daisy. Blame evolution.

17 Feb 2014

Women with poorest quality of sexual function saw greatest improvements after bariatric surgery

The first study to look extensively at sexual function in women who underwent bariatric surgery found that significant improvements in overall sexual function, most reproductive hormones and in psychological status were maintained over two years following surgery.

5 Nov 2013

Bariatric surgery improves sexual functioning, hormones and weight-related quality of life in women

Women who underwent bariatric surgery experienced better sexual functioning, improvement in reproductive hormones, and better health-related and weight-related quality of life, according to a report published Online First by JAMA Surgery, a JAMA Network publication.

4 Nov 2013

kisspeptin hormone effectively induces egg maturation during infertility treatment, shows study

The naturally occurring hormone kisspeptin effectively induces egg maturation during infertility treatment, according to a clinical in vitro fertilization (IVF) study. The results were presented Monday at The Endocrine Society's 95th Annual Meeting in San Francisco.

18 Jun 2013

Assisted reproduction technology may increase risk of MS activity among women

Researchers in Argentina report that women with multiple sclerosis (MS) who undergo assisted reproduction technology (ART) infertility treatment are at risk for increased disease activity.

4 Oct 2012

Male BMI effects embryo quality, IVF outcome

Male body mass index influences pregnancy outcome in couples undergoing in vitro fertilization through its effect on embryo quality rather than on sperm parameters, report researchers.

24 Sep 2012

Ovarian grafts can produce hormones for more than 7 years

Transplanting previously frozen ovarian tissue back into female cancer survivors can lead to long-term hormonal function and preservation of fertility, according to a new study by Samuel Kim from the University of Kansas Medical Center in the US. His work-, which shows that hormonal function was restored in five women 12-20 weeks after transplantation, and in one case lasted for more than seven years, appears online in the Journal of Assisted Reproduction and Genetics-, published by Springer.

29 Jun 2012

Male hormonal contraceptives applied daily to the skin reduce sperm production

Male hormonal contraceptives applied daily to the skin reduce sperm production, finds a new study to be presented Sunday at The Endocrine Society's 94th Annual Meeting in Houston.

26 Jun 2012