i am 17 years old, i have started taking microgestin 1.5/30 birth control pills , after 2 weeks and a couple days on a thursday i took my pills 3 hours late ( i take my pill everyday at 8pm ) then on saturday me and my boyfriend had sex around 12-1 pm in the afternoon and he finished in me, could i be pregnant???? ( Also after 10 days of having sex that saturday got spotting of blood, for the first time since i started my pills, this is the first time i've started birth control pills before as well ) what should i do???!