The penis is a barometer of a man’s health. Learn how age and larger health issues can impact virility, endurance and your overall sex life.

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Click here to watch Part 3.

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!