Due to EBF,you dont need to clean her mouth until when she is done sucking,if you observe her tongue stays clean due to the sucking pressure,so EBF gkeeps the tongue clean
i started immediately but u used salt to sterilize d flannel after which u wash u soak in hot water. after treating it allow to dry. in d morning u clean with warm water. every morning. i do dat wen my baby was of dat age after which i drop her multivitamin b4 we start our day.