Every one is different hun .
But with both mine here is how it went .
Really bad period pains , I thought i had diorriaha i even tried to go for a poop lol .
It allso ached allot in my back .
I soon realised the pains were labour as they were not constant more like here one min gone the next .
When they say your intuition kicks in it really does , You just kind of know its labour pains if you know what i mean .
Allot of people get confused with B/H but for me my B/H did get real like labour pains esp right towards the end when i was due , But they never stayed they pittered off after about an hour they got less intense and less painfull then stopped .
So the best advice to know the difference Holly hun is to time for a while and see what happens .
Good luck . xx .