Science news articles about 'human fertility'

... "thermostat," unveiling part of an intricate regulatory system that may one day be used to enhance human fertility. "To adjust for the right amount of key reproductive hormones such as estrogen and ...

... 90% of IVF embryos, even those produced by young, fertile couples. Ms Evelyne Vanneste, a PhD ... genetic diagnosis and PGS and help to advance our ability to improve human fertility," said Ms Vanneste.

... have discovered a unique 'DNA signature' in human sperm, which may act as a key that unlocks an egg's fertility and triggers new life. Drs David Miller and David Iles from ...

... established and accepted standards in the social sciences: Human fertility levels tend to decline as countries ... rate and the human development index, HDI, in 24 developed countries during a 30-year ...

Geraldine Peacock: Sensationalist objections to using hybrid embryos ignore the huge benefits such research can bring

... sex cells on ice is a fundamental part of human fertility programs. But the sperm of certain varieties of ... 6", are known to under-perform when it comes to fertilizing mouse eggs. Drs. Michael Wiles ...

... able to produce functional human BSP. Our next steps are to confirm its biological role in human fertility," says Dr. Manjunath. Role of BSPs in other animals Following ejaculation, sperm undergo ...

... , because it is very worrying. Lifestyle habits could be closely related to seminal quality and human fertility parameters. In addition, emphasis has been placed in recent years on the significance of ...

RICHMOND, Va., Oct. 6 (UPI) -- U.S. scientists say they have identified a gene involved with ovarian follicle development in a study that might shed light on human fertility issues.

... body temperature controlled by RANK and its ligand are also related in some way to reproduction or to human fertility." As an example, it is conceivable that the RANK/RANKL system may be responsible ...