Maternal exposure to benzene and toluene and preterm birth. A longitudinal study
São Paulo med. j
;
137(6): 486-490, Nov.-Dec. 2019. tab
Artículo
en Inglés
| LILACS
| ID: biblio-1094524
ABSTRACT
ABSTRACT BACKGROUND:
Exposure to air pollutants has several effects on human health, including during pregnancy.OBJECTIVE:
To identify whether exposure to benzene and toluene among pregnant women contributes to preterm delivery. DESIGN ANDSETTING:
Longitudinal study using data on newborns from mothers living in São José dos Campos (SP) in 2016, who had been exposed to benzene and toluene.METHODS:
A logistic regression model with three hierarchical levels was constructed using maternal variables relating to newborns, and using benzene and toluene concentrations in quartiles. Occurrences of cesarean births, twins or malformations were excluded. Maternal exposure windows of 5, 10, 15, 30, 60 and 90 days prior to delivery were considered.RESULTS:
Out of the 9,562 live births, 3,671 newborns were included and 343 newborns were born at less than 37 weeks of gestation (9.3%). The average birth weight was 3,167.2 g. Exposure to benzene and toluene was significantly associated (P = 0.04) with preterm delivery in the five-day window. There was no association in any of the other exposure windows.CONCLUSIONS:
It was possible to identify that maternal exposure to benzene and toluene has an acute effect on preterm delivery.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Tolueno
/
Benceno
/
Exposición Materna
/
Nacimiento Prematuro
Tipo de estudio:
Estudio de etiología
/
Estudio observacional
/
Estudio pronóstico
/
Factores de riesgo
Límite:
Adulto
/
Femenino
/
Humanos
/
Masculino
/
Recién Nacido
/
Embarazo
Idioma:
Inglés
Revista:
São Paulo med. j
Asunto de la revista:
Cirurgia Geral
/
Cincia
/
Ginecologia
/
Medicina
/
Medicina Interna
/
Obstetr¡cia
/
Pediatria
/
Sa£de Mental
/
Sa£de P£blica
Año:
2019
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
Universidade Estadual de São Paulo/BR
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