About three years ago, Sara Johnson gave birth to her second child—and faced the fact that she weighed 200 pounds. Sara had put on 20 pounds following a miscarriage in 2005 and retained 35 pounds after delivering her second child. With two little ones, Sara, now 35, realized she had to take better care of herself. “I knew I needed to get in shape so I could be a great mom for my children,” she says. link..