having sex with my boyfriend and he came in me, VERY STUPID DECISION but whatever. period is due in 10 says. on mirena iud for a year now. HELPP YA GIRL OUT, i CANNOT be pregnant should i take plan B

UPDATE: i’m 23 days late, the last time this happened was in july, i’m having some brown discharge that could be my period but idk. also having a punching pain in my lower right side