Accuracy of Menstrual History for Determining Gestational Age Among Adolescents Who Underwent Abortion in England and Wales.
McCulloch H; Lohr PA · 2026 · Obstetrics and gynecology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Objective To assess the accuracy of using the last menstrual period (LMP) date for determining gestational age, compared with ultrasonography, among patients aged younger than 16 years at British Pregnancy Advisory Service (BPAS), a large…
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Metadata source: Europe PMC · DOI 10.1097/aog.0000000000006242