When it comes to the clear blue digital opk kit, how many times do you have to buy that box of two. And how often do you know to check to see if you ovulating, can you use a stick more than once???
Depends which Clear Blue your using the regular (pink) or advanced purple? Clear Blue Advanced OPKs require first morning urine. You can’t reuse the sticks.
Depends which Clear Blue your using the regular (pink) or advanced purple? Clear Blue Advanced OPKs require first morning urine. You can’t reuse the sticks.