Several possible studies
Story checked
How Oura Data Can Help You Understand Your Menstrual Cycle - The Pulse Blog (opens in a new tab)
ouraring.com · 2023-04-25
Short answer
Several possible studiesNo clear answer.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.
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The story
How Oura Data Can Help You Understand Your Menstrual Cycle - The Pulse Blog
ouraring.com · 2023-04-25
The story’s checkable claims.
Read the original story (opens in a new tab)NewsLink checks it
Several studies could be the source of this story.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
Open claim evidenceSearch result
Several studies could fit.
More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.
Source layer
The 8 papers the story cites
Source study separated from background citations.
The research anchor for the report.
- Cited as backgroundmentioned without context
Nocturnal finger skin temperature in menstrual cycle tracking: ambulatory pilot study using a wearable Oura ring
BMC Women's Health · 2019
- Cited as backgroundmentioned without context
Relationships between the luteinizing hormone surge and other characteristics of the menstrual cycle in normally ovulating women.
Fertility and Sterility · 2013
- Cited as backgroundmentioned without context
Ethnic differences in the length of the menstrual cycle during the postmenarcheal period.
American Journal of Epidemiology · 1997
- Cited as backgroundmentioned without context
Conception delay after oral contraceptive use: the effect of estrogen dose.
Fertility and Sterility · 1990
- Cited as backgroundmentioned without context
Characteristics of the menstrual cycle after discontinuation of oral contraceptives.
Journal of Women's Health (2002) · 2011
- Cited as backgroundmentioned without context
Athletic amenorrhea: energy deficit or psychogenic challenge?
Annals of the New York Academy of Sciences · 2010
- Cited as backgroundmentioned without context
Ovarian hormones and obesity.
Human Reproduction Update · 2017
- Cited as backgroundmentioned without context
Role of cortisol and superoxide dismutase in psychological stress induced anovulation.
General and Comparative Endocrinology · 2016
Evidence layer
Claim by claim
What the story asserts. With no source study, there is nothing to check these against.
Reading mode
Scan verdicts. Open evidence only when needed.
Claim 1 of 6Not checkedOura says its Cycle Insights feature can track where a user is in their cycle and provide a five-day prediction window for a period.View evidenceHide evidence
As statedfive-day prediction window
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 2 of 6Not checkedOura says it compiled anonymized data across 40,000 menstrual cycles from Oura members to learn more about how menstrual cycles vary.View evidenceHide evidence
As stated40,000 menstrual cycles
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 3 of 6Not checkedThe article says Oura’s temperature data can provide a personalized signal for people who want to learn more about their cycles.View evidenceHide evidence
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 4 of 6Not checkedIt says nocturnal Oura temperature deviation shows a biphasic pattern across the cycle and can help members interpret data that an oral thermometer cannot capture well, such as the preovulatory LH surge.View evidenceHide evidence
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 5 of 6Not checkedThe article says Oura data can help identify long, short, and highly variable cycles, and that cycle length in the data ranged from about 20 to 40 days on average, with personal variation of plus or minus 8 days from one cycle to the next.View evidenceHide evidence
As stated20–40 days; +/- 8 days
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 6 of 6Not checkedIt says cycle variability may be influenced by age, genetic background, body composition, recovery from birth control, stress, travel, illness, over-training, obesity, metabolic syndrome, polycystic ovary syndrome, and postpartum breastfeeding patterns.View evidenceHide evidence
Not checked
NewsLink could not identify one source study, so this claim was not compared against a paper.
Method layer
No single source study was found.
NewsLink still surfaces nearby research so you can inspect the field instead of a single paper.
Nearby research
No exact source, but these papers are close.
PubMed, Crossref, Europe PMC · 22 candidate papers
Nocturnal finger skin temperature in menstrual cycle tracking: ambulatory pilot study using a wearable Oura ring
BMC Women's Health · 2019 · PubMed, Crossref
Relationships between the luteinizing hormone surge and other characteristics of the menstrual cycle in normally ovulating women.
Fertility and Sterility · 2013 · PubMed
Ethnic differences in the length of the menstrual cycle during the postmenarcheal period.
American Journal of Epidemiology · 1997 · PubMed
Conception delay after oral contraceptive use: the effect of estrogen dose.
Fertility and Sterility · 1990 · PubMed
Characteristics of the menstrual cycle after discontinuation of oral contraceptives.
Journal of Women's Health (2002) · 2011 · PubMed
And 17 more candidates considered.