Is your thyroid working properly? Dr. Oz explains how this tiny gland can wreak havoc on your health. Learn the clues you need to look for. Plus, can Long Island Medium Theresa Caputo find life after death?

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!

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