so I have to go back to work on the 20th of august and my moms going to watch her the problem is my…

so I have to go back to work on the 20th of august and my moms going to watch her the problem is my babygirl wont take a bottle at all she wont even latch on it and when she was first born she would latch and drink from a bottle but now she will only latch on my breast nothing else. I have no idea what to do