How much dose it cost for an ovulation try-out?

and where do I capture them and how dose it work? you can buy them at the drugstore with the pregnancy test, or you can start tracking your menstral cycle. There's a site called ladytimer.com and you can enter contained by the dates of your concluding period and it data it out for you. But the test you're looking for checks y our bodily temp.
in the region of $15 for a set of 5 it should have the instructions on how to use it and when