Friday, September 29, 2006

Too Much Exercise Can Hurt Fertility

This article looks at the consequences of extreme exercise on your ability to get pregnant through IVF.  While moderate exercise definitely has it's benefits, excessive cardiovascular exercise can cause subtle changes in the woman's body that can interfere with getting pregnant. 

Excessive exercise can stress a woman's reproductive system, causing her body to "protect" it from a pregnancy it's not prepared to maintain–perhaps by causing subtle hormonal changes, theorizes Mark Hornstein, senior researcher and clinical director of reproductive endocrinology at Brigham and Women's Hospital in Boston. Why does the effect seem to wear off after 10 years? "We don't have a good answer for that," says Hornstein. "It may be that the body accommodates." Health: Fitness and fertility

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