I feel little for 31 weeks

Danielle
My very first pregnancy. It's been going very smoothly, besides my anemia and braxon hicks. But I cannot complain. I feel like I am small for 31 weeks? Has anyone else been gettin braxon hicks? I heard it gets worse when you're dehydrated... it just feels like light period cramps to me. I keep checking for blood, but none.