I have the same problem ill b 37 wks tomorrow the doctor checked me today & said I was 75% thinned & dilated to a 2....I dont even think ive had BH & if I have ive played it off as gas cramps or growing pains lol...I also have a high pain tolerance so I feel u...
I have a very high pain tolerance as well, but once the real thing happens you just know. Your whole body feels different. I would get hot flashes like crazy, little back aches, cramps in my lower tummy. The tightening sensation got pretty intense too, I couldn't stand up while my belly tightened. I'm sure you'll know once it happens girly, don't stress! =)
Once the time comes, pain will get stronger and longer so you will definitely know when you're in labor. With my first I don't remember having bh but I knew I was labor when the pain kept on coming stronger and longer. Plus ur water will also eventually brake if your in labor.