scared/pregnant platy

[dondon123321]

i have 2 pregnant platys in my tank but one of them gets scared and frantic whenever i look at them she runs to the back and swims up along the back of my tank on running into the gravel do u know whats going on ? i seperated her for now

 

[Mgamer20o0]

how big is the tank? whats all in there? is there anywhere for the platy to hide? do you want to try to keep the fry?

i leave all my platy in my tank. i have plants for the fry to hide in.