OPK test, how many times?

Lindsay Fimpel

We are TTC baby number 2, how many times a day should I test for ovulation? Morning and night or just morning? Or even morning noon and night? With baby number 1 I think I just kinda got lucky and got a positive OPK like the second or third time I took one I have endometriosis and just got off birth control so I'm trying to track my cycles better.