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Original Article06-21-2007
Nutritional status impact on the birth weight of newborns pregnant adolescents
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(3):126-133
Abstract
Original ArticleNutritional status impact on the birth weight of newborns pregnant adolescents
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(3):126-133
DOI 10.1590/S0100-72032007000300003
Views94PURPOSE: to evaluate the impact of the nutritional status of pregnant adolescents on the birth weight. METHODS: a cohort study including 97 adolescents and their respective newborns, evaluated from May to June, 2004. Pregnant women from 10 to 19 years old in labor were included in the study, and those with multiple pregnancies, complications, less than 37 weeks gestation, and incomplete data records were excluded. Maternal nutritional status evaluation included height, body mass index (BMI) before pregnancy, gestational weight gain (GWG) and caloric-proteic intake, obtained by habitual food intake recordatory by the end of the third gestational trimester. The association between maternal variables (height, pre-gestational BMI, GWG and intake) and the newborn weight was analyzed by Spearman's correlation test. Statistical significance was assumed when p<0.05. RESULTS: the mean age was 17.8±1.12 years old. Most adolescents (66%) started pregnancy with adequate weight, 29% had low weight and 5% overweight. Most adolescents showed inadequate GWG, caloric and proteic intake. Low birth weight was recorded in 7% of the newborns and insufficient weight was recorded in 37% of them. Maternal height and GWG showed positive and significant BW relation. Pre-gestational BMI and protein intake showed statistically significant inverse correlation with birth weight. No correlation between caloric intake and BW was demonstrated. CONCLUSION: maternal height and GWG influence the newborn nutritional status.
Key-words Birth weightFood consumptionInfant, newbornNutritional statusPreganancyPregnancy in adolescenceSee more -
Original Article08-16-2006
The prevalence of hemoglobin S in newborns from Fortaleza, Brazil: the importance of neonatal research
Revista Brasileira de Ginecologia e Obstetrícia. 2006;28(2):122-125
Abstract
Original ArticleThe prevalence of hemoglobin S in newborns from Fortaleza, Brazil: the importance of neonatal research
Revista Brasileira de Ginecologia e Obstetrícia. 2006;28(2):122-125
DOI 10.1590/S0100-72032006000200008
Views152See morePURPOSE: to evaluate the prevalence of hemoglobin S (HbS) in newborns, through clinical investigation and laboratory data. METHODS: a protocol established the drawing of 10 mL blood from the umbilical cord after its ligature and section, immediately after birth. The samples were kept in a tube with 5% EDTA and then submitted to high-performance liquid chromatography. The study included a clinical record taken from an interview with the mother, her physical and biochemical condition, as well as that of her newborn. Main criteria were newborn's weight, sex, first minute Apgar, and the mother's color. Statistical analysis was based on the Epi-Info 6.0 program and performed by Student's t test, with the level of significance set at p<0.05. RESULTS: from August 2001 to September 2002, 389 umbilical cord blood samples showed HbS in 16 newborn babies (4.1%). Fifteen of these presented sickle-cell traits (HbS) and the other had a diagnostic hypothesis of sickle-cell anemia (HbSS). Hemoglobinopathy prevailed among male babies. No significant difference was observed between newborns with or without HbS regarding averages of weight and Apgar scores; the same occurred regarding the mother's skin color (Caucasians, mulattos and blacks). CONCLUSION: searching for hemoglobin diseases in newborns should be considered because of the possibility of 25% sickle-cell anemia in the offspring of couples with sickle-cell traits. Screening for abnormal hemoglobin is important in the population at risk. Thus, the creation of programs with these aims is recommended to be included in hospital routines.