hi......am 21 n keen 2 pregnent but i missed my period last month n i did pregnency test it was pisitive then beta hecg is also positive but pregnacy isn't show in altra sound and after 3 weeks i checkd again my pregnecy on strip it's shows negetive but on beta hcg its again show positive....am totaly confused eaither am pregnent or hav som prb .... but i dont feel any thing wrong with me for miscarrige then why its became negetive on stirp.