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Perinatología y reproducción humana

Print version ISSN 0187-5337

Abstract

SAMANO, Reyna et al. Prenatal control and serum zinc: impact on the newborn to adolescent mothers. Perinatol. Reprod. Hum. [online]. 2013, vol.27, n.1, pp.05-07. ISSN 0187-5337.

Introduction: Adolescents pregnant are a vulnerable group in the nutritional area because they have their self growth requirements and for the child. Prenatal care is important to achieve healthy nutrition and better pregnant outcomes. Aims: To associate the gestational trimester beginning prenatal care, zinc (Zn) serum concentrations and its intake with neonatal characteristics. Methods: This is a cohort study with pregnant adolescents assisted by Perinatology National Institute. In the last trimester of gestation, we determine anthropometry characteristics, zinc intake (food frequency), serum zinc (espectrofotometry) and clinical records in order to get newborn somatometry. Statistic analysis: T Student, χ2 de Pearson and lineal regression. The study was approved by INPer's Research and Ethic Committee. Results: More than 50% adolescents pregnant began their prenatal care at the first gestational trimester, 56% had eutocic part, 92% were at term, and 85% had newborn's normal weight and normal zinc intake. Normal zinc serum concentrations explained 35% of NB weight (R2 = 0.358, IC 1761, 3914, p = 0.001), 16% of head circumference (R2 = 0.163, IC 31.2, 39, p = 0.001), 25% of gestational age at term (p = 0.003), and 43% of newborn height (R2 = 0.431, IC 49.62, p = 0.001). Conclusions: Prenatal care in the first trimester was associated with a higher zinc intake. Zinc normal serum concentration was associated with normal gestational age at term, higher weight, head circumference and height stature

Keywords : Zinc; pregnant; adolescents; prenatal care.

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