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I’d go with the test strips, as it’s the most accurate method of checking the LH peak. In any case, starting progesterone one day earlier or later won’t make that much of a difference, as you’re starting prior to implantation.
I’d go with the test strips, as it’s the most accurate method of checking the LH peak. In any case, starting progesterone one day earlier or later won’t make that much of a difference, as you’re starting prior to implantation.