Okay back from the vet....Bella was 3.1 pounds at time of spay and teeth extraction. She had like 10 teeth pulled and was home that very night eating canned food! She didnt even have to spend the night

My vet felt that getting Tatum out of pain is the main concern right now, and she has to eat. She recommended having a test ran before to see if she will react to the anesthetic also a test ran on her liver. She did use the technical names but there was a big Bassett Hound in the waiting room howling louder than I have ever heard at Bella and Diggy so i was trying to listen and calm the babies at the same time...Did'nt get the names but got the gist of the tests.
I hope that helps in your decision.