hi i am 17 years old and i think i could be pregnant or having a miscarige. i just got of my period like two weeks ago and it hasnt been the same sence .like when i was on my period it felt un usualy it felt like someone was squezzing my insides then letting them go..then ever sence i have been having really bad cramps they hurt when i turn walk anyhting...and im afraid that if i am pregnant that im still taking my birth control...and it can harm it..or making me mis cary it