The phony Vargas image accompanies a question-and-answer article with the anchor about balancing work and motherhood, scheduled to appear in next month's Marie Claire magazine.
ABC spokesman Jeffrey Schneider said Vargas saw the humor in the image, but said she would never pose for such a photo, the New York Daily News said. Schneider said ABC was "disappointed that Marie Claire chose to Photoshop her head onto a fake image," the Daily News said.
In a statement, a Marie Claire spokesperson called Vargas "a great journalist," adding that the magazine did not believe its readers would think Vargas "would nurse and report the news at the same time," the Daily News said.
In August, Vargas gave birth to Samuel Wyatt Cohn, her second child with Grammy-winning singer Marc Cohn. The couple have a 3-year-old son, Zachary.