late period or irregular period?? bf advice?

so i have a nexplanon in my arm for two months now. the first month my period came 11 days early and there was spotting randomly. now there is nothing at all i’m 5 days late of when <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> says my period should have been. i am sexually activez some factors that could be into it is in under a ton of family stress and exams are this week. overall i’m so moody and i honestly feel bad for my boyfriend. thoughts on it all?? something special i can do for my bf? think i’m pregnant or just irregular now? ways to deal with moodiness?? thanks girls