I have a 7 mo old Yorkshire Terrier female.....She was trained to a pee pad by four months for pee but she doesn't get the hang of it for poop....Since she poo...

I have a seven month old female Yorkie....She has trained herself to a pee pad but she only poops on it sometimes....We have tried the crate but she poops more than once a day....You can't keep her crated all day....