R.G.
I can't believe your 3 month old is sitting and standing!?!? If she's really sitting up that well, even before they're sitting up well, they can go in a bouncer/exersaucer for short periods of time. They'll just lean up against the side if they need to. They just shouldn't be in there a long time. As for the stuffed animal...unless she just HAS to have it to go to sleep, I'd quit. Imagine how you'd feel if something horrible were to happen...even if the stuffed animal weren't to blame, you'd just never know. But that's just me and I'm a bit paranoid about that kind of thing.