Hi everyone! Are the superdrug tests faulty? As i have been testing sinds 10DPO with the lines becoming a little stronger every 2 days. I am now about 13/14 dpo this afternooni done a tesco one(blue dye one) and a also clearblue digital While this morning i had this with superdrug! I am very scared to get excited as my last chemical broke my hearth. Thoughts please?