Cristiana Ferreira da Silva

Determinantes da mortalidade neonatal: estudo caso-controle em Fortaleza, Ceará, Brasil

This case-control study with 132 cases and 264 controls aimed to determine predictors of neonatal mortality using hierarchical modeling. Cases were defined as newborns that died within 28 days of birth, and controls as the survivors, among infants of mothers living in Fortaleza, Ceara State, Brazil. Hierarchical logistic regression identified factors associated with neonatal death: maternal race, with brown/black race showing a protective effect (OR = 0.23; IC95%: 0.09-0.56), time spent from home to the hospital > 30 minutes (OR = 3.12; 95%CI: 1.34-7.25), time 10 hours between hospital admission and delivery (OR = 2.43; 95%CI: 1.24-4.76), inadequate prenatal care (OR = 2.03; 95%CI: 1.03-3.99), low birth weight (OR = 14.75; 95%CI: 5.26-41.35), prematurity (OR = 3.41; 95%CI: 1.29-8.98), and male gender (OR = 2.09; 95%CI: 1.09-4.03). In this case series, neonatal deaths were associated with the quality of prenatal care and direct care during labor.

Fatores de risco para mortalidade infantil em município do Nordeste do Brasil: linkage entre bancos de dados de nascidos vivos e óbitos infantis - 2000 a 2002

OBJETIVO: Analisar fatores de risco para a morte de criancas menores de um ano de idade, do municipio de Maracanau, Estado do Ceara, entre os anos de 2000 e 2002, atraves de linkage das informacoes do Sistema de Informacao sobre Nascidos Vivos e Sistema de Informacao sobre Mortalidade. METODOS: Coorte retrospectiva de 11.127 nascimentos vivos com declaracao de nascido vivo preenchida, ocorridos entre 01/01/2000 e 31/12/2002 e 119 obitos infantis relacionados a essa coorte de nascidos vivos, com declaracao de obito ou instrumento de investigacao de obito infantil preenchidos, ocorridos entre 01/01/2000 e 31/12/2003. Os fatores de risco para a mortalidade infantil foram estimados utilizando-se as analises bivariada e multivariada atraves da regressao logistica. RESULTADOS: Foram encontradas odds ratio (OR) estatisticamente significativas para nascidos vivos com baixo peso ao nascer (OR=3,16; IC95% 1,58-6,35), nascidos vivos prematuros (OR=2,70 ; IC95% 1,25-5,86), nascidos vivos de maes com consultas pre-natal igual ou menores a 6 (OR=2,05; IC95% 1,15-3,64) e nascidos vivos cujo escore de Apgar no primeiro (OR=4,40 IC95% 2,48-7,81) e quinto (OR=5,5; IC95% 2,75-11,20) minutos de vida foram inferiores a sete. CONCLUSOES: Esse estudo possibilitou o uso das bases de dados de nascimentos e obitos, sugerindo a vigilância continua e oferta de assistencia adequada ao subgrupo de recem-nascidos com maior risco de morte e a garantia de assistencia pre-natal de qualidade.

Linkage between live birth and infant death records in a municipality in Northeast Brazil: quality of the information system

The objective was to analyze the quality of the information systems for live births (SINASC) and mortality (SIM) based on database linkages. SINASC contained 11,182 certificates of live birth (CLB) from Jan. 1, 2000, to Dec. 31, 2002, and the SIM database recorded 233 death certificates (DC) for infants (< one year of age) from Jan. 1, 2000, to Dec. 31, 2003, 207 infant death investigations from Jan. 1, 2000, to Dec. 31, 2004, and 17 CLB attached to infant death investigations. Each DC was matched with a CLB through manual review. Of the 11,182 births in SINASC, 69 duplicate CLB and 3 CLB without the mothers name were eliminated. The 211 SIM/infant death investigations showed the following: 25 CLB (35.2% of deaths), 33 CLB (55.9% of deaths), 57 CLB (75% of deaths), and 4 CLB (80% of deaths). For 92 DC (43.6% of 211 deaths), matching was not possible, since there was no CLB. Infant death investigations were an important complementary source of 53 DC and 17 CLB. The study contributed to evaluation of the data quality and identification of flaws, favoring the reliability of birth and infant death records.

Fatores associados ao obito neonatal de recem-nascidos de alto risco: estudo multicentrico em Unidades Neonatais de Alto Risco no Nordeste brasileiro

This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery - cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery – cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.Este estudio tuvo como objetivo determinar los factores asociados a la mortalidad hospitalaria, utilizando como variables explicativas las caracteristicas individuales de la madre, la atencion prenatal, el parto y los bebes recien nacidos internados en Unidades Neonatales de Alto Riesgo (UCIN), miembros de la red norte-noreste de salud perinatal en el noreste de Brasil. Fue realizado estudio longitudinal, multicentrico basado en el hospital. La poblacion de estudio incluyo 3.623 nacidos vivos admitidos en 34 UCIN. Despues de ajustar los tres niveles jerarquicos para la determinacion del modelo de muerte en la UCI neonatal hasta los 27 dias de vida, se les asociaba un tipo de parto: cesarea (OR = 0,72; IC95%: 0,56-0,95); uso de corticosteroides prenatales (OR = 1,51; IC95%: 1,01-2,25); preeclampsia (OR = 0,73; IC95%: 0,56-0,95); oligohidramnios (OR = 1,57; IC95%: 1,17-2,10); peso al nacer < 2.500g (OR = 1.40; IC95%: 1,03-1,90); Apgar 5 minutos < 7 (OR = 2,63; IC95%: 2.21-3.14); intubacion endotraqueal (OR = 1,95; IC95%: 1,31-2,91); uso de surfactante (OR = 0,54; IC95%: 0,43-0,69). La muerte durante el cuidado en una UCIN esta determinada por las condiciones durante el embarazo, el parto y el recien nacido.

Avaliação da conformidade do transporte neonatal para hospital de referência do Ceará

OBJECTIVES: to evaluate the conformity of the transport of newborns to existing norms in the State of Ceara. METHODS: a normative evaluation was carried out covering newborns transported to a neonatal referral unit in Fortaleza-CE. The extent to which transportation conformed to existing norms was evaluated, including issues regarding pre-transportation communication, the characteristics of the team and the clinical conditions on the arrival of the newborns and classified as: a) standard transportation; b) minimal transportation conditions; c) inadequate transportation. An arithmetic mean was calculated for each neonatal transportation based on the percentages obtained from the evaluated items and divided into three terciles representing high, average and low conformity. RESULTS: the study covered the transportation of 75 newborns with a mean weight and gestational age of 2121g and 34.3 weeks respectively. The mean age on admission to hospital was 64.7 hours. The transportation of newborns was beset by serious deficiencies, with clear failures to meet the existing norms. Around 70% of newborns were transported in an inadequate manner. On no occasion was a newborn transported in full accordance with the norms. There was more conformity with the norms in the case of pre-transportation communication, the characteristics of the team, and the transportation unit. CONCLUSIONS: the transportation of newborns showed deficiencies in the following respects: pre-transportation communication, the adequacy of the team and the transport unit and clinical conditions on arrival.

Gravidez na adolescência e baixo peso ao nascer: existe associação?

OBJETIVO: Verificar la asociacion entre embarazo en la adolescencia (10 a 19 anos) y bajo peso al nacer. METODOS: Estudio transversal realizado en maternidad terciaria entre junio de 2000 a junio de 2001. Por sorteo aleatorio simple, se seleccionaron madres adolescentes y no adolescentes entrevistadas en el primer dia despues del parto. Se aplico el analisis multivariado mediante regresion logistica de las variables implicadas con el bajo peso al nacer. RESULTADOS: Se seleccionaron 539 parejas (madres y sus respectivos recien-nacidos), siendo 331 (61,4%) mujeres con 20 anos o mas y 208 (38,5%) abajo de los 20 anos. Entre las adolescentes, 50 bebes (24%) tuvieron edad gestacional <37 semanas, mientras que entre las madres con mas de 20 anos, 52 (15,7%) eran prematuros (OR 1,58; IC95% 1,00-2,51). Entre las adolescentes, ocurrieron 52 (25%) recien nacidos con peso <2.500g entre las adultas, 56 (16,9%) tenian bajo peso (OR 1,64; IC95% 1,05-2,56). Entre las que realizaron prenatal adecuado, la ocurrencia de bajo peso fue de 12,3% y de 22,1% en el grupo cuya asistencia fue inadecuada. En esa casuistica, la asociacion encontrada en el analisis bivariado entre bajo peso y madre adolescente no se mantuvo en el analisis multivariado. CONCLUSIONES: Bajo peso al nacer en gestaciones en la adolescencia no puede ser atribuido aisladamente a la edad materna.ABSTRACT Objective: To study the association between teenage pregnancy (ten to 19 years old) and low birthweight. Methods: Cross-sectional study carried out at a tertiary center from June 2000 to June 2001. A simple random drawing selected teenagers and adult mothers who were interviewed during the first day after birth. multivariate analysis using logistic regression of variables related to low birthweight was applied. Results: 539 pairs (mothers and their newborns) were studied – 331 (61.4%) women with 20 years old or more and 208 (38.5%) <20 years old. Among the adolescents, 50 (24%) infants had gestational age <37 weeks, whereas among mothers over 20 years old, 52 (15.7%) were preterm (OR 1.58; 95%CI 1.00-2.51). Among the adolescent and adult women, there were respectively 52 (25%) and 56 (16.9%) newborns <2500g (OR 1.64; 95%CI 1.05-2.56). Among those who had adequate prenatal care, low birth weight was detected in 12.3 and 22.1% of mothers with adequate and inadequate prenatal care, respectively. The association found in the univariate analysis between low birth weight and maternal age was not sustained in the multivariate analysis.

Factors associated with neonatal death in high-risk infants: a multicenter study in High-Risk Neonatal Units in Northeast Brazil

This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery - cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery – cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.Este estudio tuvo como objetivo determinar los factores asociados a la mortalidad hospitalaria, utilizando como variables explicativas las caracteristicas individuales de la madre, la atencion prenatal, el parto y los bebes recien nacidos internados en Unidades Neonatales de Alto Riesgo (UCIN), miembros de la red norte-noreste de salud perinatal en el noreste de Brasil. Fue realizado estudio longitudinal, multicentrico basado en el hospital. La poblacion de estudio incluyo 3.623 nacidos vivos admitidos en 34 UCIN. Despues de ajustar los tres niveles jerarquicos para la determinacion del modelo de muerte en la UCI neonatal hasta los 27 dias de vida, se les asociaba un tipo de parto: cesarea (OR = 0,72; IC95%: 0,56-0,95); uso de corticosteroides prenatales (OR = 1,51; IC95%: 1,01-2,25); preeclampsia (OR = 0,73; IC95%: 0,56-0,95); oligohidramnios (OR = 1,57; IC95%: 1,17-2,10); peso al nacer < 2.500g (OR = 1.40; IC95%: 1,03-1,90); Apgar 5 minutos < 7 (OR = 2,63; IC95%: 2.21-3.14); intubacion endotraqueal (OR = 1,95; IC95%: 1,31-2,91); uso de surfactante (OR = 0,54; IC95%: 0,43-0,69). La muerte durante el cuidado en una UCIN esta determinada por las condiciones durante el embarazo, el parto y el recien nacido.

Pregnancy in teenagers and low birthweight infant: is there an association?

OBJETIVO: Verificar la asociacion entre embarazo en la adolescencia (10 a 19 anos) y bajo peso al nacer. METODOS: Estudio transversal realizado en maternidad terciaria entre junio de 2000 a junio de 2001. Por sorteo aleatorio simple, se seleccionaron madres adolescentes y no adolescentes entrevistadas en el primer dia despues del parto. Se aplico el analisis multivariado mediante regresion logistica de las variables implicadas con el bajo peso al nacer. RESULTADOS: Se seleccionaron 539 parejas (madres y sus respectivos recien-nacidos), siendo 331 (61,4%) mujeres con 20 anos o mas y 208 (38,5%) abajo de los 20 anos. Entre las adolescentes, 50 bebes (24%) tuvieron edad gestacional <37 semanas, mientras que entre las madres con mas de 20 anos, 52 (15,7%) eran prematuros (OR 1,58; IC95% 1,00-2,51). Entre las adolescentes, ocurrieron 52 (25%) recien nacidos con peso <2.500g entre las adultas, 56 (16,9%) tenian bajo peso (OR 1,64; IC95% 1,05-2,56). Entre las que realizaron prenatal adecuado, la ocurrencia de bajo peso fue de 12,3% y de 22,1% en el grupo cuya asistencia fue inadecuada. En esa casuistica, la asociacion encontrada en el analisis bivariado entre bajo peso y madre adolescente no se mantuvo en el analisis multivariado. CONCLUSIONES: Bajo peso al nacer en gestaciones en la adolescencia no puede ser atribuido aisladamente a la edad materna.ABSTRACT Objective: To study the association between teenage pregnancy (ten to 19 years old) and low birthweight. Methods: Cross-sectional study carried out at a tertiary center from June 2000 to June 2001. A simple random drawing selected teenagers and adult mothers who were interviewed during the first day after birth. multivariate analysis using logistic regression of variables related to low birthweight was applied. Results: 539 pairs (mothers and their newborns) were studied – 331 (61.4%) women with 20 years old or more and 208 (38.5%) <20 years old. Among the adolescents, 50 (24%) infants had gestational age <37 weeks, whereas among mothers over 20 years old, 52 (15.7%) were preterm (OR 1.58; 95%CI 1.00-2.51). Among the adolescent and adult women, there were respectively 52 (25%) and 56 (16.9%) newborns <2500g (OR 1.64; 95%CI 1.05-2.56). Among those who had adequate prenatal care, low birth weight was detected in 12.3 and 22.1% of mothers with adequate and inadequate prenatal care, respectively. The association found in the univariate analysis between low birth weight and maternal age was not sustained in the multivariate analysis.

Los factores asociados a la muerte neonatal de alto riesgo de recien nacidos: estudio multicentrico en Unidades Neonatales de Alto Riesgo en el noreste de Brasil

This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery - cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.This study aimed to identify factors associated with in-hospital mortality in High-Risk Neonatal Units (NICU) belonging to the North-Northeast Perinatal Health Network in Northeast Brazil. The explanatory variables were individual maternal characteristics, prenatal care, childbirth and neonatal care, and infant characteristics. This was a longitudinal, multicenter hospital-based study. The study population consisted of 3,623 live born infants admitted to 34 NICUs. After adjusting for the three hierarchical levels in the model for determination of death in the NICU up to the 27 th day of life, the following showed statistically significant association: type of delivery – cesarean section (OR = 0.72; 95%CI: 0.56-0.95), non-use of prenatal steroids (OR =1.51; 95%CI: 1.01-2.25), preeclampsia (OR = 0.73; 95%CI: 0.56-0.95), oligohydramnios (OR = 1.57; 95%CI: 1, 17-2.10), birth weight < 2500g (OR = 1.40; 95%CI: 1.03-1.90), 5-minute Apgar score < 7 (OR = 2.63; 95%CI: 2.21-3.14), endotracheal intubation (OR = 1.95; 95%CI: 1.31-2.91), and non-use of surfactant (OR = 0.54; 95%CI: 0.43-0.69). Death during NICU care is determined by conditions of the pregnancy, childbirth, and the newborn.Este estudio tuvo como objetivo determinar los factores asociados a la mortalidad hospitalaria, utilizando como variables explicativas las caracteristicas individuales de la madre, la atencion prenatal, el parto y los bebes recien nacidos internados en Unidades Neonatales de Alto Riesgo (UCIN), miembros de la red norte-noreste de salud perinatal en el noreste de Brasil. Fue realizado estudio longitudinal, multicentrico basado en el hospital. La poblacion de estudio incluyo 3.623 nacidos vivos admitidos en 34 UCIN. Despues de ajustar los tres niveles jerarquicos para la determinacion del modelo de muerte en la UCI neonatal hasta los 27 dias de vida, se les asociaba un tipo de parto: cesarea (OR = 0,72; IC95%: 0,56-0,95); uso de corticosteroides prenatales (OR = 1,51; IC95%: 1,01-2,25); preeclampsia (OR = 0,73; IC95%: 0,56-0,95); oligohidramnios (OR = 1,57; IC95%: 1,17-2,10); peso al nacer < 2.500g (OR = 1.40; IC95%: 1,03-1,90); Apgar 5 minutos < 7 (OR = 2,63; IC95%: 2.21-3.14); intubacion endotraqueal (OR = 1,95; IC95%: 1,31-2,91); uso de surfactante (OR = 0,54; IC95%: 0,43-0,69). La muerte durante el cuidado en una UCIN esta determinada por las condiciones durante el embarazo, el parto y el recien nacido.

Embarazo en la adolescencia y bajo peso al nacer: ¿existe asociación?

OBJETIVO: Verificar la asociacion entre embarazo en la adolescencia (10 a 19 anos) y bajo peso al nacer. METODOS: Estudio transversal realizado en maternidad terciaria entre junio de 2000 a junio de 2001. Por sorteo aleatorio simple, se seleccionaron madres adolescentes y no adolescentes entrevistadas en el primer dia despues del parto. Se aplico el analisis multivariado mediante regresion logistica de las variables implicadas con el bajo peso al nacer. RESULTADOS: Se seleccionaron 539 parejas (madres y sus respectivos recien-nacidos), siendo 331 (61,4%) mujeres con 20 anos o mas y 208 (38,5%) abajo de los 20 anos. Entre las adolescentes, 50 bebes (24%) tuvieron edad gestacional <37 semanas, mientras que entre las madres con mas de 20 anos, 52 (15,7%) eran prematuros (OR 1,58; IC95% 1,00-2,51). Entre las adolescentes, ocurrieron 52 (25%) recien nacidos con peso <2.500g entre las adultas, 56 (16,9%) tenian bajo peso (OR 1,64; IC95% 1,05-2,56). Entre las que realizaron prenatal adecuado, la ocurrencia de bajo peso fue de 12,3% y de 22,1% en el grupo cuya asistencia fue inadecuada. En esa casuistica, la asociacion encontrada en el analisis bivariado entre bajo peso y madre adolescente no se mantuvo en el analisis multivariado. CONCLUSIONES: Bajo peso al nacer en gestaciones en la adolescencia no puede ser atribuido aisladamente a la edad materna.ABSTRACT Objective: To study the association between teenage pregnancy (ten to 19 years old) and low birthweight. Methods: Cross-sectional study carried out at a tertiary center from June 2000 to June 2001. A simple random drawing selected teenagers and adult mothers who were interviewed during the first day after birth. multivariate analysis using logistic regression of variables related to low birthweight was applied. Results: 539 pairs (mothers and their newborns) were studied – 331 (61.4%) women with 20 years old or more and 208 (38.5%) <20 years old. Among the adolescents, 50 (24%) infants had gestational age <37 weeks, whereas among mothers over 20 years old, 52 (15.7%) were preterm (OR 1.58; 95%CI 1.00-2.51). Among the adolescent and adult women, there were respectively 52 (25%) and 56 (16.9%) newborns <2500g (OR 1.64; 95%CI 1.05-2.56). Among those who had adequate prenatal care, low birth weight was detected in 12.3 and 22.1% of mothers with adequate and inadequate prenatal care, respectively. The association found in the univariate analysis between low birth weight and maternal age was not sustained in the multivariate analysis.