I've been on ortho evra for the first time . But now it is my fourth week ,the week with the patch off . All i wanna know is if my period will come by itself ? & if it doesn't come before i need to put the patch back on what.do i do ? & if it doesn't come is it normal ? I used to have the implanon before nd i didn't get my period at all . Which is why i switched to the patch so that i would be able to ... help please