Pregnant or Not?

Natalie
Someone please help me. My period was due on 10/09 on another ovulation app and 10/11 on Glow. It's now 10/14 and I have had mr period yet. I have been feeling mild pelvic, abdominal pain,nausea and back pain for about two week now. -preg test yesterday.  CAN SOMEONE PLEASE LET ME KNW WTH CAN BE GOIN ON WITH ME???