First negative later after hours faint positive ??? Pls help

Jesi
I had checked 3 time s... All the time it turned to be negative but later after minimum 5 hrs later.... It s turning positive ??? What does this mean ?? Anyone had such experience ? I missed my periods ... It's going to be 6 days ... No cramps or anything .... Checked hcg in blood 4 days back but negative ... Had two still births... Hoping for a healthy baby ... Pls reply