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IVF success affected by weight

Posted Oct 10 2012 12:00am
Guest Post by David Cooper

Overweight women are less likely to have a baby through in vitro fertilization (IVF). Being clinically obese is known to affect conception through IVF, pregnancy, and birth, but as it turns out, even being a few pounds overweight can drastically affect the outcomes of IVF.

A British study, published in the journal Human Reproduction, examined over 400 women undergoing the treatment at fertility and IVF centers . The patients body mass index (BMI) was used to determine whether or not they were overweight. BMI, found using weight by height, was then compared to IVF success rates. A BMI between 19 and 25 is classified as normal, 25-30 as overweight, and anything above 30 as obese.

The results found that when compared to women of healthy weight, a woman with a high body mass index (BMI) had a 9 percent less chance of having a baby through the treatment and the risk of miscarriage increased 24 percent. For reference to obesity, the risk of having a baby through IVF for obese women is lowered by 20 percent and the risk of miscarriage increases by 40 percent.

Being overweight, not necessarily obese, has an impact on the success of fertility treatment - the higher the BMI, the lower the chances of successful IVF. If a woman is going to pay the high IVF cost , doctors are reccomending that she reach healthy weight before starting treatment.  
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