| Literature DB >> 2201187 |
M T Cullen1, J Green, J Whetham, C Salafia, S Gabrielli, J C Hobbins.
Abstract
Transvaginal ultrasonography enables detailed visualization of the first-trimester pregnancy. Thirty-three structural anomalies have been diagnosed in the first trimester of pregnancy during a 2-year study period. An understanding of normal embryonic development is essential before attempting diagnosis in this gestational period.Entities:
Mesh：
Year: 1990 PMID： 2201187 DOI： 10.1016/0002-9378(90)91177-e
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661