Do you know what an OPK is?

Most couples who are trying to conceive know that one way to boost their chances of conceiving is by being able to pinpoint the woman’s ovulation day. One of the many ways to track ovulation is using an OPK or an ovulation predictor kit. According to, how OPKs work is that they check the surge of LH or the luteinizing hormone in the body. LH is always present in a woman’s blood and urine but when you’re nearing ovulation, the LH increases to up to 5 times.

A woman usually ovulates midway through her cycle with Cycle Day 1 being the first day of her menstrual period. If you have a regular 28-day cycle, you’re most likely to ovulate around date 14. You may start using the OPK to track your ovulation around day 7-10 to ensure you don’t miss your ovulation and continue testing until you get a positive result. A positive result should show 2-dark lines in the OPK test. When you see that positive result, you are most likely to ovulate within 24-48 hours and that is the best time for the sperm to catch the egg for more chances of conceiving.

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