Dating of Pregnancy in First versus Second Trimester in Relation to Post-Term Birth Rate: A Cohort Study.

OBJECTIVES:To evaluate in a national standardised setting whether the performance of ultrasound dating during the first rather than the second trimester of pregnancy had consequences regarding the definition of pre- and post-term birth rates. METHODS:A cohort study of 8,551 singleton pregnancies wit...

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Bibliographic Details
Main Authors: Ida Näslund Thagaard, Lone Krebs, Ulrik Lausten-Thomsen, Severin Olesen Larsen, Jens-Christian Holm, Michael Christiansen, Torben Larsen
Format: Article
Published: Public Library of Science (PLoS) 2016-01-01
Series:PLoS ONE
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