Baby measuring small.

I had an ultrasound done on Monday and I was 28 weeks and 3 days. They said the baby is looking healthy, 2.2 pounds and measuring at 27 weeks and 3 days. Since appointments are now 2 weeks apart I’m having an ultrasound done every 4 weeks (recommended by them) to track her growth. Just out of curiosity will this effect if my baby comes early or late?