Fetal heart assessment in the first trimester of pregnancy: influence of crown-rump length and maternal body mass index

David Baptista Silva Pares^I; Angélia Iara Felipe Lima^II; Edward Araújo Júnior^I; Luciano Marcondes Machado Nardozza^I; Wellinton P. Martins^III; Antônio Fernandes Moron^I

DOI: 10.5935/1678-9741.20130078

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¹MD, MSc, PhD; Federal University of São Paulo (UNIFESP). São Paulo, SP, Brazil
²MD, MSc Federal University of São Paulo (UNIFESP). São Paulo, SP, Brazil
³MD, PhD; Faculty of Medicine of Ribeirão Preto of the University of São Paulo (FMRP USP), Ribeirão Preto, SP, Brazil

Correspondence
Edward Araujo Júnior Departamento de Obstetrícia, Universidade Federal de São Paulo (UNIFESP) Rua Napoleão de Barros, 875 - Vila Clementino São Paulo, SP Brasil - CEP: 04024-002 E-mail: araujojred@terra.com.br