my sons left testicle hasn't dropped and doctors say it will on its own and he had an ultrasound on…

my sons left testicle hasn't dropped and doctors say it will on its own and he had an ultrasound on it about 3-4 weeks ago and was told his pediatrician will call about it and has never called. has anyone else had their son and his wasn't dropped yet? and curious if it will drop soon. i was also told I couldn't touch or wipe it when he goes bathroom..