Fertility Clock Headlines, Fertility Headlines

Researchers See New Importance in Y Chromosome

There is new reason to respect the diminutive male Y chromosome.Besides its long-known role of reversing the default state of being female, the Y chromosome includes genes required for the general operation of the genome, according to two new surveys of its evolutionary history. These genes may represent a fundamental difference in how the cells in men’s and women’s bodies read off the information in their genomes.

Fertility Clock Headlines, Fertility Headlines

Are Older Men’s Sperm Really Any Worse?

Everyone knows that a woman’s eggs don’t improve with age. The arbiter of turn-of-the-millennium pop culture, “Sex and the City,” gave us the image of the single woman in her mid-30s (Miranda) and her maturing eggs. And while fertility may not quite fall off a cliff at 35, it’s hard for women to ignore the idea that things are getting worse as they get older. Obstetricians have a special category for pregnant women over 35: “advanced maternal age.”

Fertility Clock Headlines, Fertility Headlines

FDA Warns Against Procedure to Remove Uterine Fibroids; Says it Could Spread Hidden Cancer

The Food and Drug Administration on Thursday took the rare step of urging doctors to stop performing a surgical procedure used on tens of thousands of women each year to remove uterine growths, saying the practice risks spreading hidden cancers within a woman’s body.