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Letter to the Editor

Reply to; a letter to the editor regarding the article “Impaired validity of the new FIGO and Swedish CTG classification templates to identify fetal acidosis in the first stage of labor”

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Pages 7082-7083 | Received 31 May 2021, Accepted 08 Jun 2021, Published online: 24 Jun 2021

References

  • Ekengård F, Cardell M, Herbst A. Impaired validity of the new FIGO and Swedish CTG classification templates to identify fetal acidosis in the first stage of labor. J Matern-Fetal Neonatal Med. 2021:1–8. DOI:10.1080/14767058.2020.186993
  • Yeh P, Emary K, Impey L. The relationship between umbilical cord arterial pH and serious adverse neonatal outcome: analysis of 51,519 consecutive validated samples. BJOG. 2012;119(7):824–831.
  • Ekengård F, Cardell M, Herbst A. Low sensitivity of the new FIGO classification system for electronic fetal monitoring to identify fetal acidosis in the second stage of labor. Eur J Obstet Gynecol Reprod Biol X. 2021;9:100120.
  • Olofsson P, Noren H, Carlsson A, et al. Identifying newborns with umbilical cord blood metabolic acidosis by intrapartum cardiotography combined with fetal ECG ST analysis (STAN): comparison of the new and old FIGO systems to classify cardiotocograms. J Matern-Fetal Neonatal Med. 2020;33(3):404–406.
  • Olofsson P, Noren H, Carlsson A. New FIGO and Swedish intrapartum cardiotocography classification systems incorporated in the fetal ECG ST analysis (STAN) interpretation algorithm: agreements and discrepancies in cardiotocography classification and evaluation of significant ST events. Acta Obstet Gynecol Scand. 2018;97(2):219–228.

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