Measuring small...still!

Brittany • I am married to my high school sweetheart Austin. Expecting our first baby in May! We also have a lab named Lars!
So I went in on Tuesday for my 39 week appointment and was measuring small again. I have been the whole pregnancy. They did an ultrasound and now along with her head, her stomach is now measuring small. Could this be because she is squished in there and they can't get a good reading? Her head is very low in my pelvis and always has been, so I am thinking they can't get a good read on her head anyways. Has anyone else had this problem? I am a FTM and I just want my baby to be here so I can know she is okay. Thanks Moms!