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  • Blackwell Publishing Ltd  (1)
  • 2000-2004  (1)
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  • 1
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To assess the association between gestational age estimated from the last menstrual period (GALMP) or from the biparietal diameter (GABPD), and the subsequent birthweight for gestational age.Design Population-based follow up study.Setting Of 21,936 pregnancies contained in the ultrasound database, 16,387 singleton pregnancies with a reliable last menstrual period date and an ultrasound examination between 12 and 22 weeks of gestation were included.Main outcome measures Correlation between: 1. birthweight deviation (birthweight-expected weight for gestation); 2. birthweight; and 3. pregnancy length and (GALMP-GABPD). Relative risk of birthweight 〈 2500 g and low birthweight for gestation (〉 22% below normal weight) related to five levels of discrepancy between (GALMP-GABPD).Results (GALMP-GABPD) was not associated with deviation of birthweight related to GABPD However the risk of low birthweight (〈 2500 g) and low birthweight for gestational age was significantly increased when (GALMP-GABPD) was 〉 7 days.Conclusion A biparietal diameter smaller than expected from the last menstrual period date is mainly a problem of an error related to estimated time of ovulation. At the same time the relative risk of a low birthweight infant is slightly increased.
    Type of Medium: Electronic Resource
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