Early signs of labour???...

I’m 38+1 and I have been noticing small amounts of thicker discharge and just assumed it was that. However today there has been so much more of it. Seems to be like a green/yellow colour but now is turning more yellow and slightly orange? Only very slight though.

I’ve also starting to cramp a lot and is coming off and on and isn’t steady at all but could this be it??

I feel stupid as this is my second but I’ve forgotten how it all feels lol also this baby is posterior so I’m expecting contractions on top of contractions