Advice please

Steffi • Have 3 amazing children. 2yrs-14yrs . X
Hi ladies. Think I'm being stupid. Am 42 5 weeks preg. About to move into a house that will now be too small for a baby. My current house is lovely and big but a DV relationship. Baby with new partner. I'm constantly worried how we will manage baby will be in out room. Loss two this year already just don't know what's the thing to do. Have court custody battle too. All too much and zero money. Am I mad??