when did you decide to stop using opk tests?

Lacy • Mommy to my precious little angel, Spencer💙 Expecting my little rainbow baby In September❤💛💚💙💜 Married 💜💜💜

They are not helping me, in fact I think maybe they are playing in a big part of not getting pregnant. I think I am thinking too much on it. When did you decide to stop using them?