How Successful is IVF?

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How likely is it that your IVF treatment will succeed? It depends on your age, the condition of your body, and the clinic you use. It can also vary depending on whether you use donor eggs.

IVF’s success rate has been found to be directly related to the age of the woman whose eggs are used in the treatment. The chances of success with IVF are directly related to the age of the woman who provides the egg. This is usually the woman who wants to become a mother, but it can also be a woman who wants to donate her eggs to other couples for their IVF treatments.

Success can also depend on the woman’s uterus – if she has scarring due to previous conditions, it may be harder for implantation to occur. The egg implants in the lining of the uterus, also known as the endometrial lining – this tissue needs to be at its healthiest for there to be the maximum chance that IVF will succeed.

The number of healthy eggs a woman produces also has a bearing on whether IVF can work. This is also called the “ovarian reserve.”

National IVF success rates are published on the web site of the Centers for Disease Control and Prevention. At the CDC’s website, you can access national IVF success rates for each year, dating back to 1997. So far, the 2010 and 2011 rates haven’t been published yet. Here are the 2009 rates for women who are using their own eggs rather than donor eggs:

For women younger than 35, the percentage of live births per cycle is 41.2%.
For women ages 35 to 37, the percentage of live births is 31.6%.
For women ages 38 to 40, the percentage of live births is 22.3%.
For women ages 41 to 42, the percentage of live births is 12.4%.
For women ages 43 to 44, the percentage of live births is 4.9%.

According to 2007 results, after a woman hits the age of 44, she’s slightly more than 1% likely to be able to have a live birth using IVF with her own eggs.

Clinics often advise women over 40 to use donor eggs rather than their own eggs, as the rate of success decreases so much after the age of 40. The rate of success when a woman uses donor eggs doesn’t depend so much on her age. According to 2009 data, The percentage of live births per cycle with donor eggs is 55.1% when the doctors use fresh embryos, and 34.0% when using frozen embryos.

IVF success can also depend on the clinic at which you have treatment. The CDC’s website also allows you to view data on individual clinics’ IVF success rates.


 
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