I’m 31 weeks and my discharge has a pink tinge to it

I haven’t had any pains or anything but is this something to be worried about, I’ll mention it at my appointment on Monday but seeing if anyone has experienced this

Baby is also moving normally

Edit: called my doctor they said to put a liner in and if it fills within the hour to head in, or if it becomes any redder. If not not worry unless decreased movement or pain

Did that and nothing, still wondering what it could have been though. Luckily only a small amoun