guys im so scared

i had protected sex on the 6th and he didnt cum and yesterday the 18th i had a nosebleed and today the 19th i have light what feel like period cramps im supposed to get my period in 8 days. and when he pulled out the condom was like scrunched up kinda. i took 2 tests and they were negative but idk if 13 days is to early. i really do not want to be pregnant.