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Simulated data for crown-rump length measurements in relation to gestational age with fitted centiles. Full title: Simulated data for crown-rump length (CRL) measurements in relation to gestational age (grey circles) with 3rd and 97th fitted centiles. Blue continuous lines represent the original equation fit reported by Verburg et al. [2] and from which the simulated data are derived whereas the red continuous lines represent model fit of the simulated data.
