hcg levels where 10 last weeks now this on hpt

Jennifer • Angel baby in my heart 27/01/017 married 01/03 rainbow baby in way EDD 15/12/2018
Went back for bloods today to see where they are at. I had been gettibg very faint positives the week before my bloods, then negative after bloods, now this.... heads screwed up after d&c at end of feb