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Intrauterine contraceptive devices are underused in developed countries

Misconceptions around intrauterine contraceptive devices (IUDs) mean that they are underused in developed countries, despite being a safe and effective form of contraception, says a women's health expert in this week's BMJ.

3 Sep 2007

Early surgical removal of the ovaries increases a woman's risk of neurological disorders

New research suggests that premenopausal women who have their ovaries removed have an increased risk of developing neurological disorders such as dementia and Parkinsonism.

30 Aug 2007

Researchers explain evolution of lifespan

Stanford scientists show in a forthcoming paper that traditional mating patterns make men the key to explaining away the "wall of death," an enduring puzzle in the study of human longevity.

29 Aug 2007

Infertility and obesity go together for some women

An Australian scientist says she has discovered scientific evidence that obesity is a key factor in infertility because of how it affects a woman's eggs.

27 Aug 2007

Effects of obesity on egg and infertility discovered

A researcher at the University of Adelaide, Australia, has discovered scientific evidence that obesity is a key factor in infertility – because of how it affects women's eggs.

24 Aug 2007

Mice use specialized neurons to detect carbon dioxide in the air

For mice, carbon dioxide often means danger - too many animals breathing in too small a space or a hungry predator exhaling nearby.

17 Aug 2007

New insights into cell division process

Which genes are passed on from mother to child is decided very early on during the maturation of the egg cell in the ovary.

12 Aug 2007

Men with masculine faces seen as bad choice for long-term love

Women see masculine men as unsuitable long-term partners, new research suggests. Conversely, the psychologists from Durham and St Andrews Universities found that men with feminine facial features are seen as more committed and less likely to cheat on their partners.

8 Aug 2007

Maternal obesity and birth defects

Mothers of babies born with some structural birth defectsincluding missing limbs, malformed hearts and underdeveloped spinal cordsappear more likely to be obese prior to becoming pregnant than mothers whose children are born without such defects, according to a report in the August issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

7 Aug 2007

First case of successful ovarian tissue transplantation between two, nonidentical sisters

A woman, whose ovaries had failed due to damage caused by chemotherapy and radiotherapy, has received a successful ovarian transplant from her genetically non-identical sister.

3 Aug 2007

New understanding of male fertility from enzyme discovery

Scientists have discovered a new enzyme involved in the degradation of proteins inside cells, a process that helps eliminate or recycle proteins that are no longer needed.

3 Aug 2007

Woman has successful ovarian transplant from her sister

A woman whose ovaries were damaged by chemotherapy and radiotherapy, has received a successful ovarian transplant from her sister.

1 Aug 2007

Bone marrow restores fertility in female mice

A new study from Massachusetts General Hospital (MGH) researchers confirms that female mice that receive bone marrow transplantation after fertility-destroying chemotherapy can go on to have successful pregnancies throughout their normal reproductive life.

31 Jul 2007

Proactive chlamydia screening does not represent good value for money

Proactive chlamydia screening for young adults is an expensive intervention that probably does not represent good value for money, concludes a study published on bmj.com today.

27 Jul 2007

Essential fatty acid intake drops as alcohol consumption increases, particularly among men

Essential fatty acids (EFAs) are just that; an "essential" part of the total fat intake necessary for a healthy human diet. Most EFAs come from plants, but some are animal-sourced.

25 Jul 2007

Sperm freezing for young male cancer patients

A recent study at Hamilton Health Sciences proves that sperm freezing and banking is an effective way to preserve fertility in adolescents and young adult (AYA) males with cancer.

23 Jul 2007

Study reveals surge in male-factor infertility technique

A national study reveals that the use of intracytoplasmic sperm injection or ICSI -- an assisted reproductive technology used to treat male-factor infertility -- has increased dramatically in the United States since 1995, while the proportion of patients receiving treatment for male-factor infertility has remained stable.

18 Jul 2007