Help!!!

So I had to write this to see if anyone can tell me what to do. I have been having strong cramp pains like menstrual cramp since 2pm. I took a hot shower and also ate. Currently I'm laying on the couch resting but I keep having the pain and also like a shocking feeling towards my vaginal area. Has anyone gone through this? should I call my doctor in the morning? I'm trying to be strong but it hurts and I like to know what is going on