so i had my period lasted 4 days and i have finally have had my period after a year cause i was on birth control and i stopped and my doctor told me that i would get a regular period after year off of it. and a couple days after i have been spotting and it’s like red/brown and me and my boyfriend have been having sex and he has been cumming inside of me. do you think i could be pregnant like that red/ brown blood like implantation bleeding cause that happened to my mom?