Faible poids de naissance, prématurité et retard de croissance intra utérin : facteurs de risque et conséquences sur la croissance de la naissance a 18 mois de vie chez des nouveau-nés béninois.

Abstract : The prevalence of low birth weight, preterm birth and IUGR in our study population were 9.1%, 10.3% and 25.3% respectively. The majority of children born with LBW (75%) had IUGR. Concerning prematurity, only the sex of the child was associated with a lower risk. Conversely, boys were more at risk of IUGR. Primiparous and those with low anthropometric status were more likely to give birth to children with LBW and this was expressed mainly by IUGR mechanism. The same analysis on birth weight as continuous variable gave similar results and showed in addition, an independent negative effect of maternal short stature (<155cm). We did not find an effect of placental malaria infection or maternal anemia. Children born with LBW, IUGR and those from mother with nutritional deficiency showed a linear growth retardation. We also demonstrated that LBW and low anthropometric status of the mother were significantly correlated with leanness. Malaria morbidity was not associated with growth. Good feeding practices objectified by a good IYCF score, were accompanied by a proper corpulence, while they were paradoxically associated with a linear growth delay. Maternal nutritional deficiency (low anthropometric status or short stature) is involved in the occurrence of LBW but also impacted negatively children’s growth through an independent effect. Our results confirm the existence of an intergenerational cycle of malnutrition.
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Setondji Geraud Romeo Padonou. Faible poids de naissance, prématurité et retard de croissance intra utérin : facteurs de risque et conséquences sur la croissance de la naissance a 18 mois de vie chez des nouveau-nés béninois.. Santé publique et épidémiologie. Université Pierre et Marie Curie - Paris VI, 2014. Français. ⟨NNT : 2014PA066451⟩. ⟨tel-01127580⟩

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