Anyone have a serious problem with reading out loud and/or presenting, especially with words that start with a vowel?

Anyone have a serious problem with reading out loud and/or presenting, especially with words that start with a vowel? I'll start by saying that my school put me into speech therapy when I was in 3rd grade. I stayed in until 7th grade. It was completely ineffective from what I recall, and I nearly never stuttered in session. I'm one of the "lucky" dudes that struggles with blocks. I never stammer or have what most people think of when someone says that they have a stutter. In normal day to day interactions, blocks are moderately present, but fairly easy to avoid with word changes and the like. However, when reading out loud, the blocking I experience is a million times worse than any other time. And for some reason, if I block, it's almost a 100% guarantee that it's a word that starts with a vowel. It's usually vowels that get me in conversation as well, but definitely a bigger deal when reading out loud to someone, or having to deliver a speech. Does this happen with anyone else here, or am I just strange?