Pregnant? Please help

Demona • Pokémon Go...Goth tomboy and animal lover
I was involved with my bf on 05/06/2017, took I pill immediately after that, and again on 10/06/2017, we had protected sex, and on 12/06/2017 I went through withdrawal bleeding of 4days and my periods cycles is usually of 28days and 6days flow..my last periods was from 28/05/2017 to 02/05/2017, when can I expect my periods?