PT Referral

Jade • 💙 👦🏻 10.4.16 💙 👶🏻 EDD 11.15.18
We had our 4 month appointment yesterday. My little guy is very healthy BUT my ped noticed that his right arm is slightly weaker than the left. She gave us a PT referral. 
Has anyone done this? What was your experience? I'm trying not to worry too much but it's hard! 😢