boyfriend problems..

ok long story short my boyfriend promised he would stop talking to his friend aka my ex boyfriend if i stoped talking to my two best friends (was his idea not mine) and then he goes and sneaks over with him because my ex was upset. well his mom found out and told me well i told her the story and now i cant see him till next year...wow right!! she is such a u know wat!! well i might be pregnant and she has no idea!! im so scared she will go thru the messages!! i had my period but only for like three days usually have it for a week at the least yea i think im irregular now ive been getting sick and not feeling well and having really sore breasts and bad backaches!!! but anyways wat do u think??