Well I’ll get stuff prepared just in case there is babies I never had a pregnant molly before hopefully there is babies it’d be very cool to raise them
If there is a male molly in your tank or there were males when she was purchased from the LFS, it’s probably preggo. I just put floating plants/refuge for the fry and let nature do its course. You’ll get surprised all the time with new fry once a group of those gets established
not sure if its the same with live bearers but I keep cichlids and leave the fry with the parents because they can do a way better job then any of us can do
you may get some cannibalism, but if you provide enough shelter, a good portion should survive. Pretty soon you’ll have more mollies than space in your tank. Add a good chunk of java moss and other surface spots. Other option is removing fry and raising in separate tank/divider.