On today's show, Meredith Vieira sits down with Dr. Oz to talk about her husband Richard Cohen's battle with multiple sclerosis. Watch a preview of the emotional interview.

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!