should I worry ?

Okay so my period is 4-5 days late. Last month I had protected sex (condoms) twice, but I took the after pill right after the first time because it seemed like one of the condoms might have been a little ripped. The second time we used a whole lot of condoms for the reason to be safe, and he later came on my stomach but not near my vagina, and I later wiped it off with a towel before doing anything else, and showered after. I took two pregnancy test after my period was a day late and they came out negative. Can anyone help please ?