When do I ovulate !

Question

So I had a definite positive opk (darker than control line ) 4 days ago. Then the next day it was negative. Then the day after it was same as control line then following day it was darker than control line and so is today’s !

When do I ovulate ?!?

Answer

Try using the digital OPK with the smily face. It makes/ works wonders on narrowing down exact fertile days & peak day with the smile face. Super easy compared to figuring out test lines