Pregnancy Length Measurement Error: A Comparison of Last Menstrual Period and Ultrasonography with Ovulation-based Estimation
While this study's pregnancy length information is the best-case scenario, we observed misclassification of outcomes that may inform future bias analyses.
Authors
- Enrique F. Schisterman (ORCID: https://orcid.org/0000-0003-3757-641X)
- Charles Poole
- Anne Marie Z. Jukic (ORCID: https://orcid.org/0000-0001-8635-9505)
- Robert M. Silver (ORCID: https://orcid.org/0000-0002-5794-3152)
- Ginna L Doss (ORCID: https://orcid.org/0000-0001-5795-9763)
- Anne Z. Steiner (ORCID: https://orcid.org/0000-0002-4203-3754)
- Julie L. Daniels (ORCID: https://orcid.org/0000-0002-9658-3743)
- Sunni L. Mumford (ORCID: https://orcid.org/0000-0003-0133-3176)
- Michelle R. Klawans (ORCID: https://orcid.org/0000-0002-0059-2400)
Institutions
- University of North Carolina at Chapel Hill (US)
- University of Utah (US)
- National Institute of Environmental Health Sciences (US)
- National Institute of Health Sciences (LK)
- University of Pennsylvania (US)
Publication Details
- Journal
- Epidemiology
- Published
- 2025-09-19
- DOI
- https://doi.org/10.1097/ede.0000000000001918
- Primary Topic
- Ectopic Pregnancy Diagnosis and Management
- Type
- article
- Field-Weighted Citation Impact
- 0.00