[ Pregnancy ] Open Question : Could I be pregnant , im 17 years old?

I had sex august 13 , boyfriends condom broke, i got up right away, he hadnt yet c u m ed, but he pre c u m ed, still a risk, i took plan b, plan b has some side effects, its been almost two weeks since that. ive been having lower abdominal pain, weird stmach feeling, culd i be pregnant ? culd it be the embryo is implanting on my uterus? or am i still just feelin the plan b side effects? i feel weird, my stomach, i gotta pee mre times a day now, am i pregnant or feeling side effeects? what should i do if i am pregnant, im scared if i am to let my parents know. i dont want my dad to do smethin to my bf.