Breastfeed - poop

Di
I am quite concerned about my lo poop issue, she is 6 weeks and is not regular in poop, it all started from 3 weeks she used to do after every other day and now it's becoming like once in 4-5 days, she is on exclusive BF, not able to understand the reason behind any suggestions would be appreciated, how can I regulaize her poo, is there anything in my diet that's making it