I m 17 yrs old, last time at 19 March me nd my b.f had sex, a unprotected sex but he though out his sperm out. my periods started at 20 March without any problem, but now at April I didn t have periods. now may is started nd no symptoms of periods I seen in my body. Didn t anything wrong, did I m pregnant. plzz help me out. I decided to use pregnancy kit at 6 may.