Is bleeding common during ovulation.. What does that mean? Need your help Buddies..

Hi all..

I had my periods on 29th of Jan and and today the 15th of Feb is 18th day from my periods and today afternoon I had a very less bleeding/spotting.. I am not having period like cramps or pain.. but this is the first time I have ever had this.. as per <a href="https://play.google.com/store/apps/details?id=com.glow.android">GLOW app</a> it's my fertile period and I am ovulating.. Pls help and share your updates and help me understand what does that mean.. I am trying to conceive since 3 months.. awaiting reply..