Okay I have a six month year old puppy and she poops under my moms bed and I don't know why. How can I get her to not pee or poop on the carpet?

What was, is, your housebreaking ritual, or do you have one ? You may have to start being very diligent in getting her outside at regular intervals and crate her at night. I am not saying crate all the time, that is not fair to the pup. And of course, keeping a keen eye on where she goes and when... then outside with her.