when will my guppy give birth

[Guppy Breeder]

I have had a guppy for about a week and it was pregnant when I got it I was wondering when it would have the babies it is the silver and black and red 1

 

[Guppy Breeder]

Sorry about the repeated pics it was an accident

 

[Samzter]

The pics aren't that great but I would say another 10 days s