The Diagnostic Accuracy of External Pelvimetry to Predict Dystocia in Nulliparous Women

Masoumeh Kordi; rahele alijahan

Zahedan Journal of Research in Medical Sciences

The Official Journal of Zahedan University of Medical Sciences

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The Diagnostic Accuracy of External Pelvimetry to Predict Dystocia in Nulliparous Women

Author(s):

Masoumeh Kordi¹,

rahele alijahan^2,*

1Department of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran

2Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran

Zahedan Journal of Research in Medical Sciences:Vol. 14, issue 6; e93425

Published online:Nov 25, 2011

Article type:Brief Report

Received:Feb 17, 2011

Accepted:Sep 17, 2011

How to Cite:Masoumeh Kordirahele alijahanThe Diagnostic Accuracy of External Pelvimetry to Predict Dystocia in Nulliparous Women.Zahedan J Res Med Sci.14(6):e93425.

Abstract

Background: Dystocia is ranked as an important element in maternal mortality and disabilities across the undeveloped countries. The study has been carried out with the aim of estimating the diagnostic value of measuring external pelvic diameters of primiparous women.
Materials and Methods: In this descriptive study, the correlation of external pelvic diameters of 447 primiparous women, who have been referred to Um al-Banin Hospital of Mashhad city was measured, while their cervix has been dilated ≥5 cm. progress of labor was controlled by a researcher who was unaware about the pelvic diameters. Regarding abnormal progress of labor in cesarean or vacuum, they were set as criteria to diagnose dystocia.
Results: The most sensitivity was related to transverse diagonal of Michaelis Sacral Rhomboid Area (60.7%) intertrochanteric line (57%).
Conclusion: External measurement of pelvic diameters is useful to predict more than 60 percent of dystocia cases in the primiparous women.

Keywords

Dystocia

Cephalopelvic disproportion

Pelvimetry

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