It’s Dr. Oz’s biggest intervention ever – he confronts a subculture of women who think bigger is better. They're striving to be the fattest women in the world. Learn about this fetish caused feederism, in which pleasure or sexual gratification is taken from overfeeding oneself or one’s partner. 

Click here for Part 2 of The Fattest Women in America.

Click here for final thoughts from Dr. Keith Ablow.

Click here to learn more about fat and fetishism.

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!