pre labor or BH? PLEASE HELP!

okay ladies, it is currently Friday 1:25 am and I can't sleep. Yesterday morning around 4 am I woke up to contractions (which is a first for me). I had about 4 of them, but didn't time them as I tried to sleep in between them. I had one at 7 am on the dot and I started to time them as I couldn't get back to sleep afterwards. Until about 9 am they were anywhere between 6-10 minutes apart then started to be every 20-25 minutes throughout the rest of the day. At around 10 pm they started to just start randomly coming at all different times and they are so intense! I can't talk, walk and can barely breath through them they're so painful. I'm a FTM and not really sure what to expect, my due date is Sunday btw. But I was checked Wednesday morning and was 0 cm dilated and 0 effaced. They seem like they get more intense as they go, so I'm not so sure what's going on.

*Pic below is of my most recent contractions, as you can see they are so out of wack! But so painful! Please any answers would be a huge help, what is happening?