A few years ago, I remember that we had someone in a chat with one of our experts that tested positive for HbC trait. One thing that stuck with me was the stress that did *not* mean that your baby has a disease or prevent your baby from having a perfectly healthy life.
I found a brochure that perhaps can answer some of your questions and provide a bit of reassurance for you:
Hemoglobin C Trait (This is a pdf file. Let me know if you cannot open.)