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Will I still be fertile when I am ready to have kids?

Blood test may not predict future fertility: Princeton IVF blog
AMH-to-predict-future-fertility.jpg

Fertility specialists (and obgyns) get this question all the time.

How can I know when my fertility will run out?

Many fertility doctors have recommended checking a test called AMH to see whether a women is approaching the end of her fertility. This is a blood test that we commonly use to determine ovarian reserve, which is a measure of how many eggs are left and how many eggs a woman might expect to be able to make when on fertility drugs, like those drugs taken for an IVF cycle. We know that AMH is fairly good predictor of how a woman will respond to drugs, and to a lesser extent how likely she is to conceive on treatments. This test is now easy to obtain, helpful for counseling and it use has become fairly routine among fertility specialists.

So, if it is good to determine the chances for success in women seeking fertility treatment, shouldn't it be useful in determining which women might have trouble getting pregnant down the line?

It certainly makes sense. Use the AMH to determine which women are starting to run out of eggs, and encourage them to start trying to get pregnant sooner, not delay seeking help with a specialist or even freeze her eggs for the future.

To test this idea, researchers in North Carolina looked at AMH as well as several other markers of aging ovaries to see if they might predict whether a women would have trouble getting pregnant going forward.

It turned out that AMH and the other tests could not predict infertility in the near future, and that the only thing that could predict the chances for pregnancy was age.

The take home message: there is no magic test at this time that can predict your future fertility. The best recommendation is the old recommendation. Don't wait.