"She's working really, really hard not to think about this; and working really, really hard not to plan; and working really, really hard to hide her pregnancy from the people around her," said Theresa Porter, a forensic psychologist who has published a review of 40 years of research on infanticide and neonaticide. "In order to be the type of person who might go to a clinic for an abortion or go to a baby drop, you have to be willing to engage in some thoughts about your problems, some planning.