161
Views
2
CrossRef citations to date
0
Altmetric
Short Report

Reproducibility of placental maturity grade classification using a dynamic ultrasonography

, , &
Pages 987-989 | Received 15 Mar 2016, Accepted 30 May 2016, Published online: 24 Jun 2016

References

  • Grannum PA, Berkowitz RL, Hobbins JC. The ultrasonic changes in the maturing placenta and their relation to fetal pulmonic maturity. Am J Obstet Gynecol 1979;133:915–22
  • Quinlan PA, Cruz AL, Buhi WC, Martin M. Changes in placental ultrasonic appearance. I. Incidence of grade III changes in the placenta in correlation to fetal pulmonary maturity. Am J Obstet Gynecol 1982;144:468–70
  • Petrucha RA, Platt LD. Relationship of placental grade to gestational age. Am J Obstet Gynecol 1982;114:733–5
  • McKenna D, Tharmaratnam S, Mahsud S, Dornan J. Ultrasonic evidence of placental calcification at 36 weeks' gestation: maternal and fetal outcomes. Acta Obstet Gynecol Scand 2005;84:7–10
  • Walker MG, Hindmarsh PC, Geary M, Kingdom JC. Sonographic maturation of the placenta at 30 to 34 weeks is not associated with second trimester markers of placental insufficiency in low-risk pregnancies. J Obstet Gynaecol Can 2010;32:1134–9
  • Julio H. Simplified placental grading. Rev Bras Ginecol Obstet 1996;18:37–43
  • Sau A, Seed P, Langford K. Intraobserver and interobserver variation in the sonographic grading of placental maturity. Ultrasound Obstet Gynecol 2004;23:374–7
  • Moran M, Ryan J, Higgins M, et al. Poor agreement between operators on grading of the placenta. J Obstet Gynaecol 2011;31:24–8
  • Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics 1977;33:159–74
  • Chen KH, Seow KM, Chen LR. The role of preterm placental calcification on assessing risks of stillbirth. Placenta 2015;36:1039–44
  • Poole PS, Chung R, Lacoursiere Y, et al. Two-dimensional sonographic cine imaging improves confidence in the initial evaluation of the fetal heart. J Ultrasound Med 2013;32:963–71
  • Ruiz de Gauna B, Sanchez P, Pineda L, et al. Interobserver agreement in describing adnexal masses using the International Ovarian Tumor Analysis simple rules in a real-time setting and using three-dimensional ultrasound volumes and digital clips. Ultrasound Obstet Gynecol 2014;44:95–9

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.