The association between age at menarche and polycystic ovary syndrome among reproductive-aged women in the US.
Seale L; Bates N; Tumin D; Sutton J · 2026 · European journal of obstetrics, gynecology, and reproductive biology
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 examine the association between age at menarche and polycystic ovary syndrome (PCOS) diagnosis among US women aged 20-49 years. Study design Our retrospective cross-sectional analysis used data from the 2022-2023 National…
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Metadata source: Europe PMC · DOI 10.1016/j.ejogrb.2026.115140