Are these blue dye test accurate.

Cheryl • I am the mother to a beautiful angel baby named Scarlett Luna.... she's my hero, she saved my life. Scarlett luna 10-2-18.

Are these blue dye test accurate. It was faint so I tweaked it a bit. This was the only tests I can find ...one app says I am one day late the other says my expected period is tm ... I don't want to be heartbroken again