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The problem
Intervention: Prospective observational study comparing behavioral and social outcomes between children born to mothers with PCOS versus comparison mothers
Who it was tested with: 360 mother-child pairs (81 with maternal PCOS, 279 comparison) from a multi-center U.S. pregnancy cohort, with children assessed at age 4 years.
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"In analyses combining both sexes, maternal PCOS was not associated with externalizing behaviors...internalizing behaviors...or social impairment." This prospective longitudinal design with standardized behavioral assessments and adjustment for confounders provides experimental-level evidence that maternal PCOS diagnosis alone is not associated with early childhood behavioral problems, though longer follow-up is needed to assess later developmental periods.
Cross-sectional assessment at single timepoint (age 4) cannot exclude emergence of symptoms at older ages; maternal self-report of PCOS and behavioral measures subject to recall and reporter bias; study may have been underpowered to detect modest associations
Across countries and designs
2 studies · 2 countries
