Hi I am on the birth control pill sprintech. I take it every day same time never missed a pill. Only one time my boyfriend and I have unprotected sex he did not cum or anything. We always usr a condom and are safe ecpect that one day. I am under alot of stress and I am suppose to get my period today but do not have it I am usually on time I have been on the birth control pill for almost two years. Could someone please help I am very very worried and nervous thank you