October 7, 2011 5:00 pm Medical Mystery: Why Couldn't She Get Pregnant? A medical mystery for a young Virginia couple trying to have a baby. When they couldn’t get pregnant, doctors told them not worry, but instinct told them there was something more serious going on. Local 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds 2:39 What to know about ADHD medication and pregnancy 2:08 How to pick the best running shoes for outdoor exercise 3:41 Nail biting: A psychiatrist shares tips