Late period

I had sex with my bf on 12,13 and 14 of Nov and when we had sex the condom is left inside me after sex.Then I take emergency contraceptive pill.My period ends on 11 of Nov.

On 19 of Nov,we again have sex with condom and withdrawal method.We had sex on 20 of Nov in early morning,after that I had medium flow bleeding and it continue upto 3 days,22 of Nov.

Now,it's 19 of Dec and I didn't have period yet.My average cycle is 21-24 days.

What can I do plzzzzz somebody help me.