Personally, before euthanasia I would consider trying litter retraining.
Using a dog crate/cage with a litter pan keep the cat confined until they are eliminating appropriately for one week. Then gradually expand their territory, room by room, only as long as they are appropriately eliminating.
While you are doing this, each and every area needs to be treated with an enzymatic cleaner like Nature's Miracle. If the cats can smell the presence of urine they will repeat that location. So be liberal with its application.
Additionally, some cats are drawn to eliminating in the following:
Piles of laundry
Laundry filled baskets
Baskets/ large Pots /storage containers left out
Piles of Towels
Piles of papers
Rubber backed mats/carpets
Plastic bags
Personally I wouldn't leave piles of stuff on the floor at all LOL.
A long long time ago I went through something like this, and I was completely cleaning it with the wrong stuff! LOL Once I did that, and bought a dog crate at a garage sale kitty was perfect after that!
Using a dog crate/cage with a litter pan keep the cat confined until they are eliminating appropriately for one week. Then gradually expand their territory, room by room, only as long as they are appropriately eliminating.
While you are doing this, each and every area needs to be treated with an enzymatic cleaner like Nature's Miracle. If the cats can smell the presence of urine they will repeat that location. So be liberal with its application.
Additionally, some cats are drawn to eliminating in the following:
Piles of laundry
Laundry filled baskets
Baskets/ large Pots /storage containers left out
Piles of Towels
Piles of papers
Rubber backed mats/carpets
Plastic bags
Personally I wouldn't leave piles of stuff on the floor at all LOL.
A long long time ago I went through something like this, and I was completely cleaning it with the wrong stuff! LOL Once I did that, and bought a dog crate at a garage sale kitty was perfect after that!







. Twice my couch was peed on, any bag left on the floor was peed on, and all the wires behind our tv got peed on... u get the idea. But it didn't last forever and now 2 years later it is a distant memory. I think your cats are just reacting to the change since the baby has arrived, but hopefully they will adjust soon. My best advice is to pretty much take away/cover anything that they want to pee on and be super vigilant about keeping the litter clean. A good cat pee cleaner is a must. I recommend 