She may have been a stray, and doesnt know life with people, i had heart do the same thing, any time I wanted her I had to go get her, finally after 2 weeks of that I put her in a kitty cage in the living room with a bed, litter box, ect. and we took her out several times a day and held her and loved her, know she is THE most lovable cat in the house. Won't stop asking for attention. She did a total turn around. Good luck with your new baby and hold her lots so she will see you are a safe place for her. Let us know how she does