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I had s_x with my boyfriend about march 20-21. I usually get my period like at the end of the month to the beginning of the next month and today it is april 2 and i'm worried because it hasn't come yet. I'm 15 and I recently came back from colombia ( stayed a 11 days and came back march 17) so maybe that could've some how delayed my period and I have also started taking hair and nail growth pills about 3 days ago Also we used a condom every single time we had s_x and changed it each time he came and made sure it didn't leak or anything, I never had direct contact with his prec_m on my va___a but If anything i think i did touch it and then later touch myself and he also touched himself then touched me, I'm just wondering how likely it is that I could be pregnant? I was also stressing out a bit this month because of school work i had to catch up on