Can I trust the FDA clearance and actual failure rates of the Natural Cycles app if my luteal phase varies slightly every single month
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can I trust the FDA clearance and actual failure rates of the Natural Cycles app if my luteal phase varies slightly every single month
3 real searches · 1 real-search pass
Natural Cycles FDA clearance effectiveness typical use failure rate 2025 FDA study luteal phase variability basal body temperatureGoogle ↗
OBSERVEDReason
Natural Cycles FDA De Novo decision summary contraceptive effectiveness Pearl Index typical useGoogle ↗
OBSERVEDReason
ACOG fertility awareness methods luteal phase ovulation basal body temperature effectivenessGoogle ↗
OBSERVEDInstruction
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
Natural Cycles FDA clearance effectiveness typical use failure rate 2025 FDA study luteal phase variability basal body temperature Google ↗
Natural Cycles FDA De Novo decision summary contraceptive effectiveness Pearl Index typical use Google ↗
ACOG fertility awareness methods luteal phase ovulation basal body temperature effectiveness Google ↗
- DE NOVO CLASSIFICATION REQUEST FOR NATURAL CYCLES · accessdata.fda.gov
- Fertility Awareness-Based Methods of Family Planning · acog.org
- Natural Cycles For Healthcare Providers · naturalcycles.com
- How Effective is Natural Cycles ? · naturalcycles.com
- Contraceptive Effectiveness of an FDA-Cleared Birth Control App: Results from the Natural Cycles U.S. Cohort · pubmed.ncbi.nlm.nih.gov
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Natural Cycles FDA clearance effectiveness typical use failure rate 2025 FDA study luteal phase variability basal body temperature OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
Natural Cycles FDA De Novo decision summary contraceptive effectiveness Pearl Index typical use OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
ACOG fertility awareness methods luteal phase ovulation basal body temperature effectiveness OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 |