Baby measuring small

Brittani

I’m 37 weeks and my baby girl has dropped in her size. She’s now 16th percentile. Has this happened to anyone else? They say she’s measuring 6 pounds right now. Is anyone else had their baby run small but then end up bigger?

I do have an anterior placenta that she’s been hiding behind so I hope that that’s making the scan not as accurate.

Picture of ultrasound today. She’s very squished