You could tell the others are getting worried, and you set up a revive circle for the girl, just in case, while feeling her shift things around in your stomach.
Another minute passes by, with still no signal, but finally you feel her tap on the inner walls of your stomach.
You hear her yell for you to let her out.
The others are still anxiously watching your belly, but based on the looks on their faces, it doesn’t seem like they can see or hear her.