I Am A Week Late Almost 2 For My Period

I Am A Week Late Almost 2 For My Period I Have Not Had Any Symptoms Other Than Feeling Tired, Bloated, & My Clothes Fit A Bit Tighter Than Usual I Have Had White Discharge Coming Out Of Me I Took A Plan B A Week after My Period Then 3 Days Later My Period Came Again & Then I Had Sex Again After A Week But We Used A Condom Could Something Be Wrong?