How does CB Advanced Digital opk work?
I know wondfos just measure your LH each day, but how does CB with the solid and flashing smiley work?
Does it measure estrogen and LH in relation to the day before? Or just measuring the levels in each day's urine?
For example, if I get a positive on wondfo, will CB show a solid peak smiley if it had never shown a flashing smiley?
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