FDA's De Novo record lists Natural Cycles as a Class II software application for contraception, with product code PYT and stated fertility-monitoring indications. Check that record for the exact regulatory details.
The FDA’s 2018 De Novo decision names Natural Cycles as a device. This page summarizes that record’s device type and stated indication; it does not provide fertility or contraception guidance.
FDA record fields
| Field | FDA record |
|---|---|
| Device name | Natural Cycles |
| De Novo number | DEN170052 |
| Device type | Software application for contraception |
| Product code | PYT |
| Device class | Class II |
| Stated indication | Standalone software application for women 18 years and older to monitor fertility; the record includes contraception and conception uses |
The FDA’s De Novo summary includes the classification, device type, and indication. Its De Novo decision record identifies the product and decision.
Compare the exact app and labeling
- Record the app name, developer, version, and the specific function being described.
- Match those details to FDA’s De Novo record and product code.
- Read the indication and labeling for the exact regulatory action.
- Separate the regulated device function from other app features, interfaces, or data connections.
- Check current labeling for the app version being reviewed.
For FDA status of an at-home test, see how to check an OTC pregnancy test record. For a regulated postpartum device category, see powered breast pump classification. Browse fertility monitors.
This page describes product labeling and FDA status. Speak with a doctor about reproductive health concerns or medical decisions.
Sources
Common questions
What FDA record is listed for Natural Cycles?
FDA's database lists a De Novo record, DEN170052, for the Natural Cycles device.
What product code appears in that record?
The FDA De Novo summary lists product code PYT.
Does the record identify a standalone software app?
Yes. FDA's stated device type and indication describe a standalone software application.
