Going to funerals while pregnant.

I'm seven weeks pregnant. We have seen the baby and the heart beat so everything is going well. A few days ago I lost my best friend to addiction. Her funeral is on Saturday and it is open casket. I'm definitely going with out question. I've just heard a lot of superstition about pregnant people being around dead bodies. I've had two miscarriages in the past year and I'm very scared of losing the baby. My question is, has anyone on here gone to a funeral while pregnant? I just need a little peace of mind or advice. Anything is appreciated.