Does anyone think this platy to be pregnant?

[Mujtaba]

I would like to know if this platy is pregnant or just fat? I bought this platy and it's group couple of days ago. She has been this bulky since I do not have another female platy to compare so I would like to know if she is pregnant. Pics shared

 

[Andy Sager]

If she has been with a male, she has most likely been impregnated but not necessarily pregnant now. She doesn't appear heavily pregnant as yet but Platies can hold sperm for a later pregnancy. That dark area above the anal fin will get darker and larger the further into the pregnancy she gets.