Assessment of Length of Maternal Cervix between 18 and 24 weeks of Gestation in a Low-Risk Brazilian Population

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dc.citation.issue12
dc.citation.volume39
dc.contributor.authorde Amorim Andrade, Soraya Gomes [UNIFESP]
dc.contributor.authorde Andrade, Fernando Moreira [UNIFESP]
dc.contributor.authorAraujo Junior, Edward [UNIFESP]
dc.contributor.authorPires, Claudio Rodrigues
dc.contributor.authorMattar, Rosiane [UNIFESP]
dc.contributor.authorMoron, Antonio Fernandes [UNIFESP]
dc.coverageRio De Janeiro Rj
dc.date.accessioned2020-09-01T13:21:05Z
dc.date.available2020-09-01T13:21:05Z
dc.date.issued2017
dc.description.abstractPurpose To determine cervical biometry in pregnant women between 18 and 24 weeks of gestation and the ideal mode of measurement of cervical length in cases of curved and straight cervical morphology. Methods The uterine cervices of 752 low-risk pregnant women were assessed using transvaginal ultrasound in a prospective cross-sectional study. In women with straight uterine cervices, cervical biometry was performed in a continuous manner. In women with curved uterine cervices, the biometry was performed using both the continuous and segmented techniques (in segments joining the cervical os). Polynomial regression models were created to assess the correlation between the cervical length and gestational age. The paired Student t-test was used to comparemeasuring techniques. Results The cervical biometry results did not vary significantly with the gestational age and were best represented by linear regression (R-2 = 0.0075 with the continuous technique, and R-2 = 0.0017 with the segmented technique). Up to the 21st week of gestation, there was a predominance of curved uterine cervix morphology (58.9%), whereas the straight morphology predominated after this gestational age (54.2%). There was a significant difference between the continuous and the segmented measuring methods in all the assessed gestational ages (p < 0.001). Conclusion Cervical biometry in pregnant women between 18 and 24 weeks was represented by a linear regression, independently of the measuring mode. The ideal measuring technique was the transvaginal ultrasound performed at a gestational age >= 21 weeks.en
dc.description.affiliationUniv Fed Sao Paulo UNIFESP, EPM, Dept Obstet, Sao Paulo, SP, Brazil
dc.description.affiliationCtr Referencia Ensino Diagnost Imagem CETRUS, Sao Paulo, SP, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo UNIFESP, EPM, Dept Obstet, Sao Paulo, SP, Brazil
dc.description.provenanceMade available in DSpace on 2020-09-01T13:21:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2017. Added 1 bitstream(s) on 2020-09-02T13:09:43Z : No. of bitstreams: 1 WOS000418072500002.pdf: 239111 bytes, checksum: c245fda0e51e5900a3ed32b7e36d6753 (MD5)en
dc.description.sourceWeb of Science
dc.format.extent647-652
dc.identifierhttp://dx.doi.org/10.1055/s-0037-1608617
dc.identifier.citationRevista Brasileira De Ginecologia E Obstetricia. Rio De Janeiro Rj, v. 39, n. 12, p. 647-652, 2017.
dc.identifier.doi10.1055/s-0037-1608617
dc.identifier.fileWOS000418072500002.pdf
dc.identifier.issn0100-7203
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/58082
dc.identifier.wosWOS:000418072500002
dc.language.isoeng
dc.publisherFederacao Brasileira Soc Ginecologia & Obstetricia-Febrasgo
dc.relation.ispartofRevista Brasileira De Ginecologia E Obstetricia
dc.rightsAcesso aberto
dc.subjectgestationen
dc.subjectuterine cervixen
dc.subjectbiometryen
dc.subjectmorphologyen
dc.subjecttransvaginal ultrasounden
dc.titleAssessment of Length of Maternal Cervix between 18 and 24 weeks of Gestation in a Low-Risk Brazilian Populationen
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