Can Someone Tell If This Platy Pregnant Or Not?

Hi guys, can someone tell me if this platy pregnant or not? If yes when should I expect her to drop?
I have 1 male platy and 2 female platy, the male platy is aggressively chasing away another female platy every time he sees her but he is fine with this one. This platy is smaller than the other two, maybe half their size. Sorry for the poor picture quality, I don't have enough light to take a better picture.

That fish may be carrying fry but, if so, she is a long way from her next drop.

Thanks oldman47 I have no experience of breeding fish, I got a breeding tank and she went in when I was assembling it so I left her in there for 2 days then I note that she was not ready so I let her came out.

A separate breeding tank, not a tiny trap, is the ideal place for your female. When she is well ready, she will drop her fry and can be moved back into the main tank. I use a 10 gallon tank as my breeding tank.

I saw a fry swimming in my tank then hide in the wood today
Didn't expect the platy would drop but looked like she did when I was not looking.
Only saw it twice for like 5 seconds, hope it will survive in the tank and grow up

Have a good look around. Especially check along the corners formed by the gravel and the front glass and in the tank corners. Platy fry are good hiders, or there would be no platies.