so basically, im terrified. past couple weeks have been extremely stressful for me i am 17 years old and have been with the same guy for about 6 years. i lost my virginity at 15 to him, and we have always been extremely careful. we used a condom, and neither of us wanted him to finish inside me, and he never has. my eating habits are awful. i do not eat breakfast or lunch, but snack on something when i get home at 1:30pm. i also have dinner. i drink a good amount of water, and the snacks i eat are usually somewhat healthy unless its a guilty pleasure chips/icee, haha. but its been a while since, because my skin has gotten bad. i have been very stressed lately because of this, as well as college/school things. things got rough with the boyfriend for a little while too, but resolved itself. one month i "missed" my period, but basically got it the first day of the month because of this, we stopped having sex for a really long time, until it just happened one day. i got my period after that time. we had sex again a couple months later + did it again recently (nov 7) basically this is 3 times over 5 months. i got sick one morning because of something i ate. i threw up + had an upset stomach. it was because of what i ate, 100% as i ate it again the next day, as an experiment, and had the same issue. (i understand this could be aversion to food, but this hasn't happened since. plus i really still want to eat it.) my mom picked me up when i was feeling sick and essentially made me take a pregnancy test in the morning. i had not drank any water that night and went to sleep really early because it was mentally exhausting. the test was negative. and i took it the week after i would usually get my period usually, before my period, i get cramps and sore breasts about a week in advance, but i have not had this. my discharge is varying - after my school day there is a bit of a lotiony texture, but it also seems to be a lot more production + seems very watery, almost? it seems very unlikely and.. unfair that this could happen to me. i'm extremely careful and paranoid. i know the only way to not get pregnant is to not have sex. but i'm a teen girl with a really strong connection to my boyfriend. i know many girls who have sex raw and just pull out - no birth control. it just seems unlikely that i could be, but the thought of my mom telling my dad and having it be a whole thing kinda makes me want to die. its basically been 50 days since my last period. i did not have it at all last month, it is currently december 3rd, with no cramps or sore breasts. i feel completely normal almost, which is even more scary. i just really cannot be pregnant. for the sake of my future and mental health.
what should i do? what could this possibly be?
(sorry for all the details. i wanted to be as specific as possible.)