How accurate is glow

Tiffany
I don't know if glow is right or wrong this whole time I been thinking I'm only 3_4 dpo and come to find out my period from last month was in there wrong so not it's saying I'm 7 dpo when should I take a test I'm gonna try to wait not her 2 or 3 days but I want to test right now so bad lol. Anyone gotten a positive this early my period is due in 7 days