Red rash. Warning cleavage is shown.

Hannah • 5 beautiful children 14 angel babies pregnant and shooting for #6: the last one

I am 14 weeks and 2 days. Yesterday I started developing a red rash all over my arms chest belly and back. I am really worried about it because it just showed up out of no where and has spread a lot. It isn't really itchy. Can anyone tell me if it looks like pupps or rubella?