Hard time breathing

Brittany

So today every time I stand up and start walking around I have a hard time breathing. It feels like someone is sitting on my chest and I start to get light headed. I am 7 months pregnant. This did happen once before but it was rite after my ultrasound a couple weeks ago.

It’s starts off with me not being able to breath, then I get all clamy and extremely sweaty and then light headed.