I went through the same with my now 13 yr old and my 2 yr old and as odd as it may sound add about 2 tablespoons of "Dark Karo Syrup" to her juice and it will work wonders. If you don't see any improvement in a day or two try to add another 1/2 or full tablespoon to see how much it will take to get her regular. No having BM can cause other issues like bleeding when having a BM, complete back up and that can be a major issue and severe pain from being so constipated. I found out about using the Karo syrup after we moved to Georgia and took my son in because he was not having BM and was in severe pain and his Dr. told me to try the Karo and boy it Worked. I had to give it to him daily in order for him to have regular BM's.