My best friend... long..

I'm currently 7 weeks and 4 days pregnant and my best friend found out last week that she was also pregnant... We were so excited to go through it one last time together as this will be my last and it would have been her last too... However yesterday she sadly miscarried and she is obviously heartbroken. I am too for her... my problem is that I want to be there for her but feel like there will be an elephant in the room with me still being pregnant. I hope that it doesn't affect our friendship but every time I feel happy about being pregnant now I feel guilty for it... I know she wouldn't want me to feel like this but I do. I don't want her to feel sad every time I hit a milestone in my pregnancy and I never want to rub her face in it... any advice on how I can be there for her and not make her feel uncomfortable???