Danica McKellar

It's a boy for Danica McKellar.

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The Wonder Years alum and math guru gave birth to son Draco Verta on Tuesday, her rep tells TVGuide.com. Draco — who takes his moniker from the constellation of the same name — weighed in at 7 pounds, 2 ounces, and is the first child for McKellar, 35, and her husband, Mike Verta.

Danica McKellar expecting first child

"We are humbled, overjoyed and so grateful for this miraculous gift," the new parents said in a statement. "It's like we've only now just learned the true meaning of love."

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McKellar, who released her latest math book, HOT X: Algebra Exposed, in August, married Verta, a composer, in March 2009.