teen pregnacy

i haven’t had my period since march and i am truly starting to panic now. i figured it was just because of the covid vaccine (as i know that was affecting some girls periods) and my already irregular period, but i’m an extreme overthinker and this is really getting the best of me right now. i haven’t had any symptoms that i can think of other than a missed period and cramps without a period, should i be worrying about this? i plan on taking a test as soon as i can purchase one and if the worst situation becomes reality what are my options (personally i know i wouldn’t want to keep it, but how do i go about that)? i would really like some reassurance or advice as this is honestly killing me. i am so stressed and it is causing me to loose hair and not eat lol. i am hoping to come to some resolution soon as i fear how far i will go when it comes to harming myself…

thank you for any advice or words you have <3