Not sure

Hey guys! Okay so I stopped taking my birth control medication on June 1st. I got my period in the last week of May right before I stopped taking my birth control. Once I stopped my birth control on June 1st I got a period on June 7th that lasted until June 10th. Me and my husband are trying to conceive so we have been trying to follow my ovulation based on this app ( I know it may not be accurate considering I stopped bc.) but I have not gotten my period since that last time lasting from June 7th-10th. I took a pregnancy test on the 16th of July almost a week and a half after my expected period based off of this app I should have gotten it on July 5th however I didn’t and I still haven’t, it shows on this app I’m 20 days late. I’m not sure if I could be pregnant or if it’s something else, it’s just very weird not having my period since before I was super regular. Any advice helps!