Ontology highlight
ABSTRACT:
SUBMITTER: Gernand AD
PROVIDER: S-EPMC5073953 | biostudies-literature | 2016 Oct
REPOSITORIES: biostudies-literature
Journal of health, population, and nutrition 20161021 1
<h4>Background</h4>The best method of gestational age assessment is by ultrasound in the first trimester; however, this method is impractical in large field trials in rural areas. Our objective was to assess the validity of gestational age estimated from prospectively collected date of last menstrual period (LMP) using crown-rump length (CRL) measured in early pregnancy by ultrasound.<h4>Methods</h4>As part of a large, cluster-randomized, controlled trial in rural Bangladesh, we collected dates ...[more]