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OP34.04: First‐trimester crown–rump length dating chart based on a large sample of exactly dated pregnancies after assisted reproductive technologies
Author(s) -
Hynek M.,
Smetanova D.,
Kulovany E.,
Stejskal D.
Publication year - 2010
Publication title -
ultrasound in obstetrics and gynecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.202
H-Index - 141
eISSN - 1469-0705
pISSN - 0960-7692
DOI - 10.1002/uog.8246
Subject(s) - medicine , confidence interval , gynecology , gestational age , obstetrics , nomogram , crown rump length , pregnancy , statistics , mathematics , first trimester , fetus , genetics , biology