Please help , pregnancy scare

Someone please help me!! I am only 16 years old and I am freaking out. I had sex 2 times in the past month with my boyfriend, 2 weeks apart. Both times he did not finish inside of me. The first time was protected but the second was not however it was short and again he did not finish. i was supposed to get my period yesterday and nothing yet. I have some light brownish spotting and cramps but not my period. i can NOT tell my parents or go get a test. someone please help what do i do. i am so scared and nervous and i can’t tell. I have some discharge still and cramps. I am having so much anxiety right now. Is the chance high? any advice? please help!!