I'm 20 and my periods have always been irregular. I get them like for 2 months in a row then it skips a month and back to the 2 months in a row. On the first day of my period I have loose bowel movements is that normal?
Its not normal to the average woman, if its always happened to you it is very likely normal for you. However if you have any concerns you should see a doctor to make certain that it is alright.