Your body’s behavior changes as you age, leaving you with some surprising new problems. Dr. Oz answers your most embarrassing and awkward questions. From your bladder to your feet, no topic is off limits.

Click here to watch Part 1.

Click here to watch Part 3.

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!