open access

Vol 87, No 6 (2016)
Research paper
Published online: 2016-06-30
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Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Magdalena Ciaciura-Jarno, Wojciech Cnota, Dominik Wójtowicz, Anna Niesłuchowska-Hoxha, Aleksandra Ruci, Rafał Kierach, Aleksandra Stępień, Agnieszka Nowak, Patrycja Sodowska
DOI: 10.5603/GP.2016.0024
·
Pubmed: 27418223
·
Ginekol Pol 2016;87(6):448-453.

open access

Vol 87, No 6 (2016)
ORIGINAL PAPERS Obstetrics
Published online: 2016-06-30

Abstract

Objectives: The aim of the study is to determine the usefulness of ultrasound parameters in the second stage of labor in prediction of the method of delivery and to evaluate the benefits to be derived from this study.

Material and methods: Ultrasound scan was performed with Convex transabdominal probe on 68 pregnant women in labor at term with fetuses in cephalic presentation at the beginning of the second stage of labor and parameters such as angle of progression, head progression distance, head-symphysis distance and head-perineum distance were measured. The parameters were observed in two scans: a midline scan visualizing the pubic symphysis with the head of the fetus and a transverse scan approximately 1–2 cm below the pubic symphysis visualizing the head of the fetus.

Results: The ultrasound parameters measured at the beginning of the second stage of labor, differed in the group in which women have delivered vaginally and in the group, in which caesarean section was performed: angle of progression and head progression distance were greater in group of women who delivered naturally and head-perineum distance and head-symphysis distance were smaller in this group. Some relations between each measured parameter and time left to delivery were observed as well as strong relations among parameters were also observed.

Conclusions: Intrapartum sonography is a useful and objective tool to assess the progress of labor. Transperineal ultra­sound scans performed in the second stage of labor may play a role in making the decision about the mode of delivery.

Abstract

Objectives: The aim of the study is to determine the usefulness of ultrasound parameters in the second stage of labor in prediction of the method of delivery and to evaluate the benefits to be derived from this study.

Material and methods: Ultrasound scan was performed with Convex transabdominal probe on 68 pregnant women in labor at term with fetuses in cephalic presentation at the beginning of the second stage of labor and parameters such as angle of progression, head progression distance, head-symphysis distance and head-perineum distance were measured. The parameters were observed in two scans: a midline scan visualizing the pubic symphysis with the head of the fetus and a transverse scan approximately 1–2 cm below the pubic symphysis visualizing the head of the fetus.

Results: The ultrasound parameters measured at the beginning of the second stage of labor, differed in the group in which women have delivered vaginally and in the group, in which caesarean section was performed: angle of progression and head progression distance were greater in group of women who delivered naturally and head-perineum distance and head-symphysis distance were smaller in this group. Some relations between each measured parameter and time left to delivery were observed as well as strong relations among parameters were also observed.

Conclusions: Intrapartum sonography is a useful and objective tool to assess the progress of labor. Transperineal ultra­sound scans performed in the second stage of labor may play a role in making the decision about the mode of delivery.

Get Citation

Keywords

intrapartum sonography, transperineum sonography, translabia sonography, labor prediction

About this article
Title

Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Journal

Ginekologia Polska

Issue

Vol 87, No 6 (2016)

Article type

Research paper

Pages

448-453

Published online

2016-06-30

DOI

10.5603/GP.2016.0024

Pubmed

27418223

Bibliographic record

Ginekol Pol 2016;87(6):448-453.

Keywords

intrapartum sonography
transperineum sonography
translabia sonography
labor prediction

Authors

Magdalena Ciaciura-Jarno
Wojciech Cnota
Dominik Wójtowicz
Anna Niesłuchowska-Hoxha
Aleksandra Ruci
Rafał Kierach
Aleksandra Stępień
Agnieszka Nowak
Patrycja Sodowska

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