Little round the middle but she's got much back

Baby's got back has been stuck in my head. I think its because I looked in the mirror and realized that I'm not so "little round the middle". Over the past week my mid-section has been thickening up. My perfect little hour-glass is looking more like a column with boobs. Really nice boobs. Mainly it is strange to run my hand down my sides and not feel the indentation that was (only a few days ago) my little waist. I guess this explains all the weird stretching pains I've had over the past two weeks. Clearly the ligaments have stretched and things have moved around. I was doing some checking on-line and apparently it is very common for small framed women to start showing very early. 2 weeks ago I was 5'1" and 107 pounds. That doesn't leave much room for a baby (even one the size of a blueberry ) to hide.