$ 0 0 karenkohlSince 4/2017karenkohlSince 4/2017August 1, 2020 at 7:12 amHi Everyone! I don't use OPKs and I've been using charting for 7 years. This month's o date has me a bit stumped. Ovagraph and I seem to disagree. Which would you see as the more probably O date? Thanks!