So This is the first month I started taking ovulation tests and I started on cd7 got a blank circle on cd8 I got a smiley the on cd9 I got a blank circle so I stopped testing as the instructions said and today I had cramps and glow says it's my peak day so I tested just to see and today is cd 16 and I got a smiley again ??? Idk what is going on is it possible to ovulate twice so close together ?