Fertile-window misclassification in period-tracking applications and associated pregnancy risk: a large observational analysis.

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Title: Fertile-window misclassification in period-tracking applications and associated pregnancy risk: a large observational analysis.
Authors: Brondolin, Erica1 (AUTHOR) erica.brondolin@naturalcycles.com, Hadengue, Bruno1 (AUTHOR), Perro, Danielle1 (AUTHOR), Gemzell Danielsson, Kristina2 (AUTHOR), Granne, Ingrid3 (AUTHOR), Nguyen, Brian T.4 (AUTHOR), Costescu, Dustin J.5 (AUTHOR), Wender, Maria Celeste Osorio6 (AUTHOR), Berglund Scherwitzl, Elina1 (AUTHOR), Scherwitzl, Raoul1 (AUTHOR), Krauss, Kerry1 (AUTHOR), Benhar, Eleonora1 (AUTHOR)
Source: European Journal of Contraception & Reproductive Health Care. May2026, p1-10. 10p. 4 Illustrations.
Database: Academic Search Ultimate
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An: 193833131
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Contraception+%26+Reproductive+Health+Care%22">European Journal of Contraception & Reproductive Health Care</searchLink>. May2026, p1-10. 10p. 4 Illustrations.
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=193833131
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/13625187.2026.2669220
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      – Code: eng
        Text: English
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        PageCount: 10
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      – TitleFull: Fertile-window misclassification in period-tracking applications and associated pregnancy risk: a large observational analysis.
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            – D: 12
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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