Trigger a cycle by pushing the “M” button on the monitor. Fast-forward the monitor to day 5. The monitor will ask for a test for the next 20 days. Test your first morning urine every other day. When a high is recorded, test the urine every day. Retrigger the monitor and fast-forward every 20 days. Continue steps 1–6 until you detect a peak reading and resume menses. To avoid pregnancy, avoid intercourse on high and peak days and 3 full days after the last peak day.
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9. When menses returns, reset the monitor and erase the memory (erase the memory for all 6 cycles postpartum). Day 1 is the first day of menses. Begin testing when the monitor asks for a test on day 6. 10. Fertility begins on day 10 of the first cycle after the return of menses, day 9 in the second cycle, day 8 in the third cycle, day 7 in the fourth cycle, and day 6 in the fifth cycle onward. However, if the monitor records a high reading before these days, then fertility starts on the day of the first high reading. 11. (Optional) Beginning on day 6 of the first menstrual cycle postpartum, women may do a second test for the LH surge in the evening with a separate LH test kit.
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