Can I be pregnant?

My cycle length is every 28 day my last period was on June 11-15 it's always five days long now according to this app my ovulation days stared on Saturday June 20th my Hudsband and I had sex and he did come in me and then we had sex again the next day and again he came in we skip Monday and Tuesday and then had sex again yesterday but made sure he pull out on time and he did ...now my last day of ovulation is on Friday but can I be pregnant ?