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Fetal pulse oximetry and fetal heart rate monitoring during stage II of labour

Fetal pulse oximetry and fetal heart rate monitoring during stage II of labour

European Journal Of Obstetrics & Gynecology & Reproductive Biology. 72(suppl.): S57-S61

Objective: This study was designed to assess the changes in fetal oxygen saturation (FSpo-2) using fetal pulse oximetry when the fetal heart rate (FHR) monitoring became abnormal during stage II of labour. Study design: FSpo-2 was recorded with the Nellcor N400 Oximeter (FS-14 sensor) and was averaged over the last 10 min of the second stage of labour. Second stage FHR patterns were assessed according to Melchior's classification. Results: In terms of FHR patterns, FSpo-2-10" measured 41.4% in type 0 (n = 5), 42.4% in type 1 (n = 19), 43.3% in type 2 (n = 6), 34.0% in type 3 (n = 4) and 27.6% in type 4 (n = 7) (P = 0.03). Conclusions: FSpo-2-10" decreases in cases of severe FHR abnormality during the second stage of labour and could help to decide whether to perform an instrumental extraction.

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Accession: 008683546

Download citation: RISBibTeXText

PMID: 9134414

DOI: 10.1016/s0301-2115(97)02719-x

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