Blood clot in umbilical cord?

Kaylee

We were told there is a tiny pinky nail size blood clot in the umbilical cord. They want me to come back in 2 weeks for a repeat ultrasound to see if it resolved itself or make sure it’s still the same size. They said if I have any spotting to come in. I was told not to freak out about it but I can’t help but worry a little. Has anyone else had this issue?