Baby's head measuring small😞

Laura • Just married, soon-to-be first mommy!
I've been seeing a specialist for about month now to see if my baby's head will catch up. It hasn't yet. Her body is measuring at 31/32 weeks and her head at 29 weeks. I am 33 and 1. Anyone has had these issues and baby caught up and came out fine??? Any encouragement would be so nice right now.