baby measuring 3cm under?

Shannon • Ayla Rose - 29/7/17👑🎀 Aidan - 7/3/21🧸💙
I'm 32 weeks + 2, my girl is meausring 29 cm, I'm getting a growth scan and I'm not too worried about it but will she catch up as I get closer to my due date or will she just be a small baby?