my last period was 7/21/12 it lasted 5  days my cycle is 21 days. my period has yet to come on. but i have been get sick after i eat, and today my belly button was hurting it feel like something is being pulled inside my stomach and i get a sharp pain in my belly button what could this be???????
Hi, If your periods have not come yet, I suggest running pregnancy test to exclude a possible pregnancy. Furthermore, I also suggest to