Can someone help me??

↞ηιcσℓε♡↠ • 15 very long years of ttc! Not giving up though!!
Ok I've gotten 4 positive opks this month! The 8th while I was still spotting from a very weird short 2day period. The 15th through today the 17th. Each one I've took has been pulling more and more color from the reference line and my test line is super dark! I have never ever had a positive opk in the 7 years I've been ttc. Now I've had 4 this month!! Someone please help me out!! First photo is the first test when it was fresh the second is the 8th 15th and 16th the last are today's the 17th