Breast scan!

Amy
So I went to my first doctor appointment today after finding out I was pregnant 3/4 weeks ago I believe I'm 9 weeks and 1 day however not certain due to a period bleed in january, I asked her to check my breasts because they are sore they are quite hard and lumpy also around the sides .. She's referred me for a breast scan! She's concerned my left breast is more lumpy then my right and wants to be certain its just down to pregnancy and not anything else. Has anyone else had this? I'm quite scared!