Real ChatGPT answer · index seeddyHwx9kCwHkcompleteHealth and wellness · women's healthcommercial

Are there any peer-reviewed studies on Natural Cycles birth control effectiveness compared to the pill, and is it hard to use with a sporadic college sleep schedule?

ChatGPTgpt-63 queries10/31/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
Are there any peer-reviewed studies on Natural Cycles birth control effectiveness compared to the pill, and is it hard to use with a sporadic college sleep schedule?
3 real searches · 1 real-search pass
peer reviewed Natural Cycles contraceptive effectiveness study typical use Pearl Index pregnancy rates 2017 2024 sleep schedule basal body temperature irregular sleepGoogle ↗
OBSERVED
CDC contraceptive effectiveness pill typical use 7 percent annual failure rate 2024Google ↗
OBSERVED
Natural Cycles study temperature measurement waking time sleep irregular schedule study limitationsGoogle ↗
OBSERVED

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Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
peer reviewed Natural Cycles contraceptive effectiveness study typical use Pearl Index pregnancy rates 2017 2024 sleep schedule basal body temperature irregular sleep Google ↗
CDC contraceptive effectiveness pill typical use 7 percent annual failure rate 2024 Google ↗
Natural Cycles study temperature measurement waking time sleep irregular schedule study limitations Google ↗
  1. Perfect-use and typical-use Pearl Index of a contraceptive mobile app · pubmed.ncbi.nlm.nih.gov
  2. Perfect-use and typical-use Pearl Index of a contraceptive mobile app · sciencedirect.com
  3. Typical use effectiveness of Natural Cycles: postmarket surveillance study investigating the impact of previous contraceptive choice on the risk of unintended pregnancy · pubmed.ncbi.nlm.nih.gov
  4. Typical use effectiveness of Natural Cycles: postmarket surveillance study investigating the impact of previous contraceptive choice on the risk of unintended pregnancy · bmjopen.bmj.com
  5. Contraceptive Effectiveness of an FDA-Cleared Birth Control App: Results from the Natural Cycles U.S. Cohort. · pubmed.ncbi.nlm.nih.gov
  6. Contraceptive Effectiveness of an FDA-Cleared Birth Control App: Results from the Natural Cycles U.S. Cohort - Jack T. Pearson, Magda Chelstowska, Simon P. Rowland, Eleonora Benhar, Helena Kopp-Kallner, Elina Berglund Scherwitzl, Juan Acuna, Kristina Gemzell Danielsson, Raoul Scherwitzl, 2021 · journals.sagepub.com
  7. Contraception and Birth Control Methods | Contraception · cdc.gov
  8. Table 1.1, Percentage of users becoming pregnant during the first year of contraceptive use in the United States of America (USA) (perfect use and typical use) and internationally (typical use) - Selected practice recommendations for contraceptive use · ncbi.nlm.nih.gov
  9. Contraceptive effectiveness of a digital contraceptive with a wearable device vs an oral thermometer · pubmed.ncbi.nlm.nih.gov
  10. Full article: Contraceptive effectiveness of a digital contraceptive with a wearable device vs an oral thermometer · tandfonline.com
  11. Effectiveness of tracking cycle mobile applications as a contraceptive Method: A systematic review · sciencedirect.com

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
peer reviewed Natural Cycles contraceptive effectiveness study typical use Pearl Index pregnancy rates 2017 2024 sleep schedule basal body temperature irregular sleep
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
CDC contraceptive effectiveness pill typical use 7 percent annual failure rate 2024
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Natural Cycles study temperature measurement waking time sleep irregular schedule study limitations
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1