Medical research

Sperm crawl and collide on way to egg, researchers say

Scientists at the Universities of Birmingham and Warwick have shed new light on how sperm navigate the female reproductive tract, 'crawling' along the channel walls and swimming around corners; with frequent collisions.

Medical research

How neonatal plant estrogen exposure leads to adult infertility

A paper published today in Biology of Reproduction's Papers-in-Press describes the effects of brief prenatal exposure to plant estrogens on the mouse oviduct, modeling the effects of soy-based baby formula on human infants. ...

Obstetrics & gynaecology

Seeing double: 1 in 30 babies born in US is a twin

Women having children at older ages and the growing availability of fertility treatments has led to a marked increase in the birth of twins: In 2009, one in every 30 babies born in the United States was a twin compared with ...

Obstetrics & gynaecology

Genetic markers may help predict fertility decline in women

(Medical Xpress) -- Researchers at the Stanford Institute for Stem Cell Biology and Regenerative Medicine have discovered genetic markers that may ultimately allow women to track and predict declining fertility.

Health

Fatty diets may be associated with reduced semen quality

Men's diets, in particular the amount and type of different fats they eat, could be associated with their semen quality according to the results of a study published online in Europe's leading reproductive medicine journal ...

Obstetrics & gynaecology

Vitamin D shrinks fibroid tumors in rats

Treatment with vitamin D reduced the size of uterine fibroids in laboratory rats predisposed to developing the benign tumors, reported researchers funded by the National Institutes of Health.

Health

Females may be more susceptible to infection during ovulation

A new research report in the Journal of Leukocyte Biology suggests that a woman's ovarian cycle plays an important role in her susceptibility to infection. Specifically, researchers from Spain and Austria found that women ...

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