IUGR at 36 weeks

Lexye
Went in for a high risk appointment on account of chicken pox in the third trimester yesterday. They told me that at 36 weeks he was measuring at 4 lbs and 15 oz. She said that since I'm a small person (5 ft tall, 145 lbs the whole first trimester and a half) that my baby might be small at birth. I got put on 2 NSTs per week until birth. Also, he might have a clubbed foot which will require casting after birth for up to a year. She told me the major effects of the chicken pox won't be known until after he's born (like eye deformities and skin deformities) but that he has all major organs in place. This is so scary, he's supposed to be 5 1/2- 6 lbs and low birth weight can be caused by chicken pox. Wondering what else is wrong is killing me.