To all Mothers ❤

I am currently 40 weeks pregnant

My OBGYN took measurements from my last ultra sound at 37 weeks and showed me the results by 38 weeks saying my baby stopped growing by 35 weeks & is weighing at 5.7 she still said 6 lbs. My question is has anyone gone through this? Will my baby be okay in health ? I've gained 35 lbs this pregnancy and healthy as can be aside of my left arm always falling asleep when I lay down. My baby himself shows perfect on the monitoring twice a week, I am now labeled as high risk but my baby shows nothing in harm.