Sarah Jordan is a National Magazine Award-nominated author who has written extensively on parenting for magazines and newspapers, including Parents and Parenting. She is also the co-author of The Worst-Case Scenario Survival Handbook: Parenting, and The Worst-Case Scenario Survival Handbook: Weddings. David Ufberg, M.D., is a board-certified obstetrician and gynecologist at Pennsylvania Hospital, an assistant professor in the University of Pennsylvania Health System.