This is going to sound weird but when I was in the hospital about birth, there was a certain smell…

This is going to sound weird but when I was in the hospital about birth, there was a certain smell that I've associated with being there. Lately I've been smelling that same smel constantly and I don't know what it is. I think it was the way she smelled after she was born because I loved the way she smelled for some reason. But of course she doesn't smell like that anymore. It's just driving me crazy because I can't figure out what it is