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Master Thesis

Les courbes de croissance personnalisées

Abstract : Despite the importance of birth weight on the incidence of perinatal morbidity, a single growth curve is often used for all newborns, whatever measurements and maternal geographic origin or sex of the child. Thus, it is not possible to differentiate a constitutionally small foetus in view of the genetic potential of an abnormally small foetus. The authors have developed a model curve which would be specific to each foetus taking into account these latest parameters. We have carried out a retrospective study at the Port Royal Maternity in order to evaluate the interest for these customized growth charts compared with standard curves. The results have shown that the customized curves had better specificity for certain primordial criteria of perinatal morbidity as well as a better positive predictive value. Therefore, the probability of being sick when the baby is small for gestational age on his personalized curve is significantly greater than the probability of being sick when the baby is SGA on the standard curve. On the other hand, they do not have the sensitivity and the negative predictive value expected. Thus, as the literature underlines, the customized growth charts have their interest in the diagnosis of inter uterine retarded growth. Nevertheless, their interest is not as great compared to standard curves in the case of screening.
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Submitted on : Thursday, February 10, 2011 - 4:01:32 PM
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  • HAL Id : dumas-00564961, version 1


Lolita Guillou. Les courbes de croissance personnalisées. Gynécologie et obstétrique. 2010. ⟨dumas-00564961⟩



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