help my baby hasn't poop in a week.

Suzy • Mother of a beautiful baby girl 🎀👶🏽👑
My baby hasn't poop for a week I took her to the pediatrician today she told me she wasn't constipated.  Because she doesn't poop hard when she poops is really watery 
But she goes a week without pooping, I'm starting to worry 😢😢 what I can give her or do so she can poop???  Anybody please🙏🏼