A woman may have no symptoms of heart disease, but still have hidden heart problems as she goes through life unaware of her risk.

But one major life event can bring those silent issues to light, cardiologists say.

It may come as a shock to women who haven't had any warning signs.

Cardiologist Tip of the Day: Pregnancy Can Reveal Hidden Heart Problems

Pay attention to new heart symptoms that can suddenly appear after you become pregnant.

“Pregnancy is a stress test for the heart,” Dr. Jennifer Mieres, a cardiologist at Northwell Health in New Hyde Park, New York, previously told TODAY .

“Very often, women who are pregnant, with that stress test, conditions of the heart are unveiled.”

Experts at the National Heart, Lung and Blood Institute call pregnancy a “window into future card

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