Help!

So I went for my 12 week ultrasound friday! I was 12 weeks 4 days. They said everything looked wonderful and baby was even measuring ahead. Well they seen some tissue on the ultrasound from when I had my d&c. She didn’t seem to concerned about it because the baby is moving freely around it. I am being sent to a high risk doctor for precaution at around 17 or 18 weeks. Just curious if any of you ladies have gone through this and everything turned out okay?