Please help!!

I don’t know what to do. I’m young and I’ve taken so many precautions. I don’t let him cum in me, we use spermicide condoms, and I pay attention to my cycle! But, I’m 6 days late. I’ve been having terrible symptoms the last 6 days, still no blood. Am I having a bloodless period? I don’t understand. I don’t think I’m pregnant. I took a 1 step test on Saturday(it is Tuesday) and it said negative. I do have a lot of stress on top of it though. My mom recently passed away violently and I had to witness it, i have so much pressed to get all A’s because that’s the only way I feel I can get my dads attention and I have anxiety about a lot of other things. I have no idea what to do. I don’t have a good relationship with anyone in my family anymore. I’m too young to tell my dad, he’ll hate me and I don’t even know if I’m pregnant! Please someone help!!!