Black Molly (can't tell if she's pregnant or just big)

[Fishy Fishy123]

I got my 2 black mollies close to a month ago. I've been noticing the bigger one keeps..well..getting bigger. I've already had surprise platy fry that I have in a separate tank until they get to a noneat size. If this molly is pregnant, I have no idea what to do. I do want to save the babies though.

Is she pregnant or should I be concerned about something else? Or am I just paranoid and she's fine? Lol