please help!

so im on the combo pill. i take it religiously and have never been late. my last period was jan 23-27th. i had sex twice with condoms (that didnt break) and started once without but he didnt finish at all on the 15th of february. i was on Azithromycin for 5 days from the 29th of jan to the 2nd of feb. should i be okay? please help ease my nerves. my period should be here in 2 days and it was due in 4 when we had sex.