confusing of my pregnancy test

My period start feb 2,2021 end in feb 5.. me and my husband sex on feb 6 and then every night na kasi gstu talaga namin magka baby.. i start taking my pregnancy test on march 15 kasi delay na period ko.. march 16 nag spotting ako firstday spot lang then 17 is malakas na.. march 18 is nawala na as in wala na..then nag pt na naman ako.. kaya heto na mga pt results ko..#advicepls #pleasehelp #pregnancy