Quoting Crystal Marie S.:" Yes, it should be positive. The hormones are almost identical, except when you're pregnant, hcg has a ... [snip!] ... on the OPK. But you should take a pregnancy test, because they'll show but can't be accurately used to predict pregnancy."
she is pregnant already.. just trying to figure out if she ovulated or took an OPK when she was pregnnat..
i seriously think that if you were in fact pregnant when you took the OPK it would stay positive and not fade out Im thinking plan b failed? or maybe it took longer for baby to implant to by the time it made it to the uterus the plan b already lost effectiveness? idk girl.. despite everything i really hope you see a little HB flicker later today. ya never know, God works in mysterious ways as im sure you already know. HUGS.