In may i wore my patch for 4 weeks cos i wanted to miss a period in may which i did then and then got my period beginning of june then in june i wore my patch as normal for 3 weeks and i should come on my period by now which i havent im abit worried now i had unprotected sex with my boyfriend couple of times while i was on the patch as well could i be pregnant? Please help cos my period should be here by now but its not