She's pretty big. She's normally a very tiny girl so her belly's definitely gotten bigger, like she swallowed a mini football haha. When I first started feeling the movements it just felt like little bubbles so it's quite possible you're feeling movements too and not gas! And since Tiva is normally so slender, I probably do have about a week left. She has no sign of colostrum, although I keep checking.
Here's a picture of her I just took actually
Here's a picture of her I just took actually