You have recorded a positive OPK result on your chart. Ovulation Prediction Kits detect a surge of LH (luteinizing hormone) in your urine. This is last hormone to peak before ovulation. In most cases, you can expect to ovulate the day following your positive OPK result. You may, however, ovulate later the same day, or the following day.
To maximize your conception chances, keep considering yourself as fertile for several days after seeing a positive OPK result. If you are also checking your temperature and cervical fluid, consider yourself fertile until you also see a sustained thermal shift and cervical fluid has dried up.
OPKs tell you that ovulation is likely imminent and you are most fertile.
In most cases, ovulation soon follows after a positive OPK result. A positive
OPK result, however, does not indicate ovulation with certainty, nor does
it pinpoint your ovulation day to within a narrow timeframe. Only your
temperature sign which reflects a rise of progesterone after ovulation,
will confirm and pinpoint ovulation for you.
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