Nexplanon, Leedoz-72, no period and sex during the time my period was to show but didn’t

Asanna

Am I pregnant?

I had sex when I was to have a period but didn’t eat one. I can’t be pregnant right? I didn’t ovulate or bleed so... I took an ECP and I’m on nexplanon for 4 months. I’m 19 and scared, someone help!!!