The simplified DUTCH Report has arrived, and current DUTCH Providers are eligible for up to 5 DUTCH Complete or DUTCH Plus test kits for 50% off. Learn more and claim this offer!
DUTCH Test Cycle Calculator
Determine your optimal collection days based on cycle length
Cycle Types
Regular Cycle
34 days or shorter
Long Cycle
More than 34 days
Irregular Cycle
Varies widely
No Cycle
Functional ovaries, no menstrual flow, or Post-Menopausal
Note: If you are taking one of our Cycle Mapping tests, collection will begin on the seventh day of your cycle. Learn more here!