While I fully understand your concerns it sounds like you are getting excellent care and all that can be done is being done.
There is no way to change where the fetus has implanted in your uterus so the only thing that can be done is to monitor this pregnancy very, very closely for any complications related to being close to your c section scar.
As they said, it is very possible that as the baby and the placenta continue to grow that they will move away from the scar and everything will be OK.
So. What is the take home message?
1. Do your best not to worry.
2. Continue to have close follow up for the entire pregnancy
3. Call your OB/GYN with any concerns, bleeding etc right away
Does this make sense to you?
It's safe for you to press the positive feedback button now if you so desire. And, never fear, even after you press that button I'll still be right here to continue helping you, but, as I do work for tips, I want to make sure you are happy before rating me.
Dr. Rick MD FACS