K.B.
I had previa with my first. We didn't find out about it until I was about 6 months along. I was lucky to not have any bleeding, but was working as a waitress before I found out. That got to be painful and I quit...so then I took it easy and I think that's why I didn't have any bleeding. The great news is that a lot of times it corrects itself - as it did with me. The other lucky thing is that I was geared up for a c-section for nearly three months and then a week before my due-date the doctor said it was corrected and I could probably have my baby vaginally. So, take it easy, gear up for a c-section so that if you do have one it won't be a disappointment, and think positive!
(I was glad I had placenta previa because I ended up having a c-section for another reason but I had thought about it for so long it wasn't so disappointing.)