It sounds like pre labour I got it for about 4 days for 6 hours straight a day but like bad period pain my longest labour was 6 hours though so it does do something it means it should happen soon though you might have a few mor sessions of them slightly close mine started one day 10 min apart next day 8, then 6 then 4 so when real labour started it was 2 min apart and way more painful...

How exciting