Millions of women struggle with unwanted hair. But what if your unwanted hair is more than a nuisance and a sign of something more serious? Dr. Oz explains the difference between unwanted and abnormal hair growth, what it means, and what you can do about it. Click here for an unwanted hair growth chart that may help you determine if you're at risk.

Animation produced by Visible Productions Inc.

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!