Swollen glands

Hi all,

I noticed 3 swollen glands in my neck at the beginning of March and one two weeks later just behind my ear which are all still swollen. They're not painful and feels like I can move them. They're not getting any bigger since I first noticed them. I only noticed them cause a friend had a sore throat at the time and said her glands are up so I checked mine as I also had a sore throat. I'm not sure if they was swollen due to that or if they was already enlarged. Is this something I should mention to my GP? Has anyone had anything similar?  Thanks