I need help figuring out what is happening to my speech.

I need help figuring out what is happening to my speech. I started noticing I developed a pause in my speech about less than 2 years ago. I can be talking to someone. I will have a train of thought as to what I am going to say, and then I go blank. This sometimes develops a stutter where I will be talking, pause, and then pick back up on the last word I said to continue. It as if my mind goes blank and I all of the sudden pick back up where I left off. This will happen about ever other sentence. EX: I was driving home yesterday and I saw...saw my friend from work at a red light. Is there a name for this? Any advice or information would be greatly appreciated! Thanks!