Estimation of gestational age during the
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Luciano Bovicelli; Luigi F. Orsini; Nicola Rizzo; Patrizio Calderoni; Francesco
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Article
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1981
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John Wiley and Sons
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English
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## Abstract A series of 237 patients in the first trimester of pregnancy were examined to derive normal growth curves for fetal crownβrump length (CRL) and biparietal diameter (BPD) using sector scanner realβtime ultrasound equipment. Conventional Bβscan CRL measurements were obtained from 50 of th