kavin submitted, created time 5 months 2 weeks (www.news-medical.net)

A group of Canadian and European researchers have unlocked the mystery of a gene with the potential to both regulate and block ovulation.

The new study - a collaboration between the Universite de Montreal in Canada and the Institut de Genetique et Biologie Moleculaire et Cellulaire of the Universite de Louis Pasteur, Strasbourg, France - is published in the latest issue of the journal Genes & Development.

"Our findings demonstrate that the Lrh1 gene is essential in regulating ovulation," said Bruce D

3 comments | Blog It | Email It | Keywords: fertility mouse model Lrh1 birth control contraception women's health women fertilization pregnancy infertility human reproduction fertility ovulation gene control genetic research

Eric wu submitted, created time 1 year 3 weeks (sciencenow.sciencemag.org)

As a hair-dye ad once teased, only her hairdresser knows for sure. When it comes to the question of whether chimpanzees go through menopause, no researchers seem to know for sure--and there's no equivalent of a hairdresser to turn to for the definitive answer. Now the most comprehensive study ever of reproduction in wild female chimpanzees has added important insights that both move closer to an answer and add more puzzling questions.

4 comments | Blog It | Email It | Keywords: mammals human evolutionary biology ovulation primates senescence human reproduction fertility women's health aging menopause chimpanzees