Talk-show host Oprah Winfrey, second from right, with former Republican vice presidential candidate Sarah Palin and her daughters, Willow, right, and Piper, left, during the taping of "The Oprah Winfrey Show" in Chicago. (AP Photo/Harpo Productions, Inc., George Burns)
The former vice presidential candidate told ABC television's Barbara Walters: "Truthfully, we were devastated."
Bristol was a high school senior when she gave birth to son Tripp in December. Her pregnancy was publicly announced just after Sarah Palin accepted John McCain's invitation to be his running mate.
ABC released that exchange between Walters and Palin on Saturday.
Portions of their interview begin airing this week on "Good Morning America" and will be shown at length on the news magazine "20/20".
Palin is promoting her new book, "Going Rogue."
