Im not suppose to remove my patch qnd change it until every tuesday . I didnt have any patches at home to change it last tuesday so i left the same one on until today friday that i got a refill . My free week is this upcoming teusday . And I had bad side pain on my right whenever i was standing up or walking then i got really bad cramps , and i started bleeding after . I havent taken a pregnancy test . What can it be ? Im worried