Should I ring?

I’ve been having period like cramps for a few days, they aren’t consistent. Today I’ve been having quite bad lower back pain, been throwing up once a day for the past 3 days and (TMI) started having looser bowel movements today and yesterday. I’ve got an increase of discharge but it just seems like normal discharge. Not had my waters break or mucus plug or anything like that.

Movements have still been fine and everything like that.

Could this be a sign of pre term labour? This is my first and I’m only 32+5 so I don’t know what I’m looking for at all. Should I ring the midwife?

Edit: I rang the midwife and they think it’s braxton hicks. Told me what to look out for if anything changes