help pleaseeeeeee

hi, I'm 19 I gained a lot of weight and I was 4 months without having my period and on April I started having sex, I got my period April 14 for 6 days and after that I really haven't had my period only June 12 only for 4 days , and my bf and i had sex recently so we are scared we used the pullout method and he say he didn't nut inside but I'm scared, I don't throw up on the mornings sometimes I have nauseous but not a lot I don't have food cravings I don't bleed, I'm always tired, we going to take a test. I'm scared I'm older than him and I have a very strict mom she always says that if I get pregnant she's gonna kick me out of the house. help pleasssseeee oh and I really have vaginal mucus transparent