Cálculo da idade gestacional. Métodos e problemas.

Autores

  • Alexandra Matias Departamento de Ginecologia e Obstetrícia, Hospital de S. João Faculdade de Medicina do Porto, Porto.
  • Pedro Tiago
  • Nuno Montenegro

DOI:

https://doi.org/10.20344/amp.1912

Resumo

Gestational age assignment is one of the most important issues in perinatal medicine. Nowadays, the first day of the last menstrual period, when available, is still used as the basis for calculation of gestational age and expected day of confinement. However, most frequently this date is uncertain or even unknown, and thereby gestational age can be confidently estimated by ultrasonographic biometry until 22 weeks of gestation. There is no uniform dating policy when both a valid last menstrual period and ultrasonographic dates are available in determining the date of confinement. When both methods are compared, there are obvious advantages of routine scanning in the first half of pregnancy.

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1.
Matias A, Tiago P, Montenegro N. Cálculo da idade gestacional. Métodos e problemas. Acta Med Port [Internet]. 27 de Fevereiro de 2002 [citado 20 de Maio de 2024];15(1):17-21. Disponível em: https://actamedicaportuguesa.com/revista/index.php/amp/article/view/1912

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