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Iranian Journal of Medical Sciences، جلد ۴۰، شماره ۲، صفحات ۹۸-۰
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عنوان انگلیسی The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor
چکیده انگلیسی مقاله Background: Dystocia is the most common indication of primary cesarean section. The most common cause of dystocia is uterine dysfunction. In prolonged labor, more attention is usually paid to the fetus and pelvis rather than to the role of uterine contractions in a delivery. Therefore, we decided to determine the relationship between the labor progress and uterine contractions shapes . Methods: In this cross-sectional study, 200 primiparous women participated having a single pregnancy and cephalic presentation. Uterus contractions were recorded using electronic fetal monitoring at the beginning of the active phase of labor (dilatation 3-5 cm) for 30 min. Fall to rise (F:R) ratio was calculated by determining the duration of returning from a contraction peak to its baseline (fall) and the duration of the rise time from baseline to peak (rise) in two groups. The data were analyzed using t-test and Chi-square test. Results: In this study, 162 women had a normal delivery and 38 women had a cesarean (CS) delivery due to the lack of labor progress. The average F:R ratio was 1.13±0.193 seconds in the vaginal delivery group and 1.64±0.301 seconds in the CS group. This difference was statistically significant (P< 0.001). The frequency of contractions in the vaginal delivery group was more than the CS group (P=0.008). Conclusion: Our findings demonstrated that uterine contractions shapes change; and F:R ratio was higher in the group that lacked labor progress. Therefore, contraction shapes can be used to predict the labor progress.
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نویسندگان مقاله سمیرا ابراهیم زاده zagami | samira ebrahimzadeh zagami
department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran;

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

ناهید گلمکانی | nahid golmakani
department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran;

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

سید علی رضا سعادت جو | seyyed ali reza saadatjoo
department of nursing, school of nursing and midwifery, birjand university of medical science, birjand, iran

سازمان اصلی تایید شده: دانشگاه بیرجند (Birjand university)

نیره قمیان | nayyereh ghomian
department of gynecology, emam-reza hospital, mashhad university of medical science, mashhad, iran


بهجت باغبانی | behjat baghbani
omolbanin hospital, mashhad university of medical science, mashhad, iran
نشانی اینترنتی http://ijms.sums.ac.ir/index.php/IJMS/article/view/1468
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article(s)
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