Periods?

Your horomones may just be starting and your body getting ready for your actual menstraul cycle to happen. Just give it time and naturally it will happen when your body is ready for it. Some girls it happens too later or earlier than other girls and sometime symptoms happen with no bleeding for a while. Hope this helped a bit! If your still concerned about it I would say make an apointment with a doctor about it but I can assure you eventually it'll happen.