Metadata
Author: ParaCrawl Corpus
Data
English[en]
Pregnant women with a single fetus and less than 20 weeks' gestation by obstetric ultrasonography who received prenatal care in 2010 and 2011 were included.
Spanish[es]
Se incluyeron mujeres embarazadas con un solo feto y < 20 semanas de gestación por ecografía obstétrica en 2010 y 2011.