What to Do Before Testing? Before You Begin:
- For more accurate results perform the test between 10am - 8pm and reduce liquid intake about 2 hours before collecting your urine.
- Please, refer to the chart to determine the day you should start testing, depending on your cycle length.
| Your Cycle Length |
Start To Test On |
| 21 days |
Day 6 |
| 22 days |
Day 6 |
| 23 days |
Day 7 |
| 24 days |
Day 7 |
| 25 days |
Day 8 |
| 26 days |
Day 9 |
| 27 days |
Day 10 |
| 28 days |
Day 11 |
| 29 days |
Day 12 |
| 30 days |
Day 13 |
| 31 days |
Day 14 |
| 32 days |
Day 15 |
| 33 days |
Day 16 |
| 34 days |
Day 17 |
| 35 days |
Day 18 |
| 36 days |
Day 19 |
| 37 days |
Day 20 |
| 38 days |
Day 21 |
| Unknown length |
Day 11 |
Notice: If your cycle is shorter than 21 days or longer than 38 days, consult your doctor. If you do not know your cycle length, you may start testing at the 11th day of your period since the average cycle length is 28 days. In case of irregular cycle, please, refer to the shortest cycle for the last 6 months.
Testing Start Calculator
Please fill in the data below to calculate when to start testing:
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