Done a clear blue pregnancy test 5days ago said positive with 2-3 weeks conception date.done another this morning first sample now says1-2 weeks? hcg

Biochemical Pregnanc: If the test was positive and now lower, it is likely you had a biochemical pregnancy. This may mean that the pregnancy was not normal and would not result in you having a baby. Your body eliminated the tissue. This happens more often than we realize. Still, if it happens to you on more than 2 occasions, it suggests that there may be something else going on and you should talk to your doctor.