Birthday pot Information

What are these white bumps on my 3month old baby's gum? - white circle on my gums

My child is 3 months and has his first cold, but I also realized that thismorning has a few spare white circle in the upper gums ... I know your teeth is certainly not the cause at the front of the gums and they are small white circles? I have an appointment with the doctor tomorrow, but you just want to see if someone had it and boy