Okay it's driving me crazy; does anyone know what it is? The little thing on the umbilical cord that…

Okay it's driving me crazy; does anyone know what it is? The little thing on the umbilical cord that makes them want to induce me because they really don't want me to go over the due date. When the doctor told the receptionist about it, the receptionist didn't look much better than this face of pity or slight concern... I don't know what to think and I'm kind of scared.