Hi. So I missed my period by 71 days according to this app. My periods are always irregular like sometimes it disappears for 3 months then came back regularly for 3 months.

But I’m extra worried since I had sex (condom and pullout). Did 3 test after 6 weeks. All negative. Now 8 weeks after sex, I did another test and its also negative. Could the test be wrong or I’m just not ovulating?

Also I’ve been getting spottings/ brown discharge for 3 days in a row including today. Could it be implantation although its been 8 weeks?