In trouble

Hello ladies I'm 36 wks 2 days pregnant but dats not my reason to post! My reason to write today is I need advice!

A couple of months ago I had alot of family issues and I ended up trusting s lady and telling her my stuff and today she blackmail me that she's going to show all of it to my family bit she already showed my mom in law

She was furious and we had a talk and she told me she won't mention it to hubby but I'm really scared and feel like telling hubby all of it can u guys plz advice if I should speak to hubby or not coz hubby really short tempered