Community medical question

Mjhy last 2 mnth sy mensis ni ay m ny feb m chk kiya tha urine test to wo weak positive tha but bd m jb dubara chk kiya next morning to negative tha usky bd kl 1-4-2026 m ny beta HCG krawa 0.686 range ai ha iska mtlb pregnancy ni ha but mjhy mensis ni ay mri shadi ko 1.5 year ho giya ha but abhi tk ak dfa b conceive ni kiya