Validity of pre and post-term birth rates based on the date of last menstrual period compared to early obstetric ultrasonography
The aim of this study was to assess the validity of the last menstrual period (LMP) estimate in determining pre and post-term birth rates, in a prenatal cohort from two Brazilian cities, São Luís and Ribeirão Preto. Pregnant women with a single fetus and less than 20 weeks' gestation by obstetr...
Main Authors: | , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
2015-04-01
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Series: | Cadernos de Saúde Pública |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2015000400885&lng=en&tlng=en |