I gathered from you use of "mum" that you weren't in the States. Are you in the UK or Ireland? I'm wondering since that's the common name for mothers over there.

Please don't feel like you shouldn't be reaching out here. Pain knows no borders. We're here to help. We need to get you into a safe place. That's important. You're being abused.

Here's a resource for England:
https://refuge.org.uk/i-need-help-now/how-we-can-help-you/our-refuges/
Here's one for Scotland:
https://womensaid.scot/find-nearest-wa-group/
Here's one for Ireland:
https://www.safeireland.ie/get-help/where-to-find-help/
I found this as well:
https://www.womensaid.org.uk/information-support/