What to Do Before Testing?

Before You Begin:

  1. For more accurate results perform the test between 10am - 8pm and reduce liquid intake about 2 hours before collecting your urine.
  2. 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:

First date of the menstruation:
Day:     Month:     Year:  
Cycle length:
Recommended date to start testing: