Curva dos valores normais de peso fetal estimado por ultra-sonografia segundo a idade gestacional

Cadernos de Saúde Pública

José Guilherme Cecatti¹  Maria Regina Marrocos Machado¹  Fernanda Fioravanti Azank Dos Santos¹  Emílio Francisco Marussi¹ 

[1] ,Universidade Estadual de Campinas Faculdade de Ciências Médicas Departamento de TocoginecologiaCampinas SP ,Brasil

关键词: Fetal Weight;    Gestational Age;    Fetal Growth Retardation;    Prenatal Ultrasonography;    Peso Fetal;    Idade Gestacional;    Retardo do Crescimento Fetal;    Ultrasonografia Pré-Natal;   

DOI  :  10.1590/S0102-311X2000000400026

来源: SciELO

【 摘 要 】

OBJECTIVE: to evaluate the evolution of estimated fetal weight in normal pregnancies in Campinas, Brazil, between 20 to 42 weeks. DESIGN AND METHODS: A descriptive study was performed, including 2,874 normal pregnant women studied through routine obstetric ultrasound with fetal biometry, using the Hadlock (1991) formula for fetal weight estimation. Data were evaluated by fitting a curve with the 10th, 50th, and 90th percentiles of fetal weight for gestational age, subsequently submitted to a smoothing procedure by quadratic polynomial adjustment. RESULTS: the 50th percentile was 368g at 20th week, 1,512g at 30th, and 3,417g at 42nd week. There was a mean weight increase of 200g per week from the 27th to 38th week, when the gain decreased. CONCLUSIONS: The availability of a Brazilian curve of normal estimated fetal weight will allow for prenatal ultrasound diagnosis of deviations.

【 授权许可】

CC BY   
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