Mixed answers on sushi

So I am pregnant and have really been wanting sushi lately. My doctor said fish was ok just to stay away from ground dwellers as they are high in mercury. But then I read that pregnant women shouldn’t eat sushi and then other places I read it’s fine. Im getting mixed answers and just want to make sure I’m doing the right thing but I also want to eat sushi if it’s safe. I know this day in age a lot of things have changed since when my parents generation had kids. I just think like what about people in other countries who live off of sushi because that’s their culture. #hungrypregnantlady 😊