I Didn't Know I Was Pregnant

This season on Diagnosis: Dead or Alive an active high school senior loses her ability to walk and speak properly, a college student spikes a fever of 104 and blacks out, and a fit carpenter develops lumps on his body and is coughing up blood. Follow their stories and the medical professionals trying to save their lives. Do they recover, or was this mysterious illness the cause of their death?

The true stories of doctors, patients and the fight to survive.

Re-enactments and interviews with doctors and investigators combine to present stories of unusual and baffling medical cases.

Women, who never knew they were pregnant, give birth.