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Losing weight does not lead to improved fertility in women

Losing weight does not lead to improved fertility in women, but does improve sexual function, according to Penn State College of Medicine researchers.

19 Oct 2012

Study explains link between infertility and hyperprolactinaemia

One of the most frequent is the existence of tumours that induce an over-secretion of this hormone. These women present with chronic infertility due to anovulation. Thanks to the work of the Inserm researchers from unit 693 "Steroid receptors: endocrinian and metabolic physiopathology", the intimate mechanism of the hyperprolactinaemia alterations affecting reproduction in mice has been discovered.

19 Oct 2012

GENNET, BGI enter collaborative agreement for non-invasive fetal trisomy test

BGI, the world's largest genomics organization, and GENNET, a center for genetics, fetal medicine and assisted reproduction, jointly announced that they have entered a collaborative agreement on non-invasive fetal trisomy (NIFTY) test with the aim to significantly improve reproductive health in Czech and Slovak Republic. Th

17 Oct 2012

Researchers identify critical mechanisms of epigenetic cell programming

A team of researchers at the IRCM, supervised by Dr. Jacques Drouin, reprogrammed the identity of cells in the pituitary gland and identified critical mechanisms of epigenetic cell programming.

17 Oct 2012

Women with learning disabilities left out of contraception decisions

Women with learning disabilities are frequently left out of decisions concerning contraception, and often use contraceptives despite not being sexually active, show the results of a UK survey.

16 Oct 2012

Sleep deprivation reduces aggression, testosterone in men

Sleep deprivation is associated with a reduction in reactive aggression and testosterone levels in men, Canadian study findings show.

16 Oct 2012

Females having multiple sexual partners may be more fertile

Researchers have discovered that females that have multiple sexual partners can be more fertile than those that are monogamous and, very surprisingly, that this is the result of an "overproduction" of sons. The study - still only published as a provisional article but already one of the most accessed in BCM Evolutionary Biology - helps to explain a puzzle that has been haunting evolutionary biologist for decades: why during a mating season so many females chase multiple sexual partners when one is enough to fertilize all her eggs and to do it is costly and dangerous.

15 Oct 2012

Fertility treatment may increase MS disease activity

Findings published in Annals of Neurology suggest that assisted reproduction technology treatment increases multiple sclerosis disease activity.

8 Oct 2012

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

Researchers solve mystery of radial glial cells

Researchers at Cold Spring Harbor Laboratory (CSHL) have solved an important piece of one of neuroscience's outstanding puzzles: how progenitor cells in the developing mammalian brain reproduce themselves while also giving birth to neurons that will populate the emerging cerebral cortex, the seat of cognition and executive function in the mature brain.

24 Sep 2012

Number of recorded dengue cases up 36% over last year in Costa Rica

"A total of 8,480 people have been affected by dengue fever in Costa Rica" so far this year, representing an increase of 36 percent, or 2,230 more cases than during the same period last year, according to a Ministry of Health report, Xinhua News reports.

19 Sep 2012

Adolescent menstrual disorders linked to hyperandrogenemia

Menstrual disorders in adolescence are associated with an increased risk for hyperandrogenemia, research shows.

19 Sep 2012

Disorganized eggs hinder fertility in obese women

Severely obese women are at an increased risk for producing eggs that have multiple spindles and disorganized chromosomes, possibly explaining the reduced fertility in this population, report researchers.

13 Sep 2012

BRCA1/2 gene mutations lethal to human embryos

BRCA1/2 gene mutations, widely associated with breast and ovarian cancer risks in women, are, in principle, lethal to human embryos, according to new research conducted by three teams of researchers from the Center for Human Reproduction (CHR) in New York City, the Medical University Vienna in Vienna, Austria, and the Medical University Graz, Graz, Austria.

13 Sep 2012

'Deep sleep' intimately involved in complex control of pubertal onset

Slow-wave sleep, or 'deep sleep', is intimately involved in the complex control of the onset of puberty, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology and Metabolism (JCEM).

12 Sep 2012

Indiana University releases Kinsey Reporter

Indiana University has released Kinsey Reporter, a global mobile survey platform for collecting and reporting anonymous data about sexual and other intimate behaviors. The pilot project allows citizen observers around the world to use free applications now available for Apple and Android mobile platforms to not only report on sexual behavior and experiences, but also to share, explore and visualize the accumulated data.

7 Sep 2012

JQ1 compound dramatically prevents sperm production in mice

Attention men: The day may be coming soon when you can take your own birth control pill with no side effects, according to a study done by a group of scientists that includes a Texas A&M University researcher.

6 Sep 2012

Telaprevir offers advantages in patients with chronic hepatitis C infection of genotype 1

The drug telaprevir has been available for treatment of chronic hepatitis C infection of genotype 1 since autumn 2011. In an early benefit assessment pursuant to the "Act on the Reform of the Market for Medicinal Products" (AMNOG), the German Institute for Quality and Efficiency in Health Care (IQWiG) examined whether telaprevir offers an added benefit compared with the present standard therapy.

6 Sep 2012

Key facts about polycystic ovary syndrome

September marks Polycystic Ovary Syndrome (PCOS) awareness month and with this condition affecting millions of women in the world, there are some key facts about the condition to highlight that can affect a women's fertility when suffering with the disorder.

6 Sep 2012

Seven antibiotic-resistance genes swapped between human and soil bacteria

Soil bacteria and bacteria that cause human diseases have recently swapped at least seven antibiotic-resistance genes, researchers at Washington University School of Medicine in St. Louis report Aug. 31 in Science.

1 Sep 2012