2 months ago i wanted to skip my period that month because it was my anniversary. I am on the NuvaRing. I took my nuva ring out when i normally would but instead of waiting a week (in which i would get my period) I put a new one in right away. The next month i experienced break through bleeding a week before i was due to get my period. I kept my nuva ring in until i would have normally taken it out (3 weeks after putting in a new one) Then i waited a week like i normally did before putting a new nuva ring in. THis month however i am feeling cramps around when i would be ovulating. I used to feel cramps before i went on birth control but since b.c is sup to prevent ovulation i havn't since then. Do you think i ovulated this month and my birth contol somehow failed?