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Ebrahimzadeh Zagami, Samira, Golmakani, Nahid, Saadatjoo, Seyyed Ali-Reza, Ghomian, Nayyereh, Baghbani, Behjat. (1393). The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor. سامانه مدیریت نشریات علمی, 40(2), 98-103.
Samira Ebrahimzadeh Zagami; Nahid Golmakani; Seyyed Ali-Reza Saadatjoo; Nayyereh Ghomian; Behjat Baghbani. "The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor". سامانه مدیریت نشریات علمی, 40, 2, 1393, 98-103.
Ebrahimzadeh Zagami, Samira, Golmakani, Nahid, Saadatjoo, Seyyed Ali-Reza, Ghomian, Nayyereh, Baghbani, Behjat. (1393). 'The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor', سامانه مدیریت نشریات علمی, 40(2), pp. 98-103.
Ebrahimzadeh Zagami, Samira, Golmakani, Nahid, Saadatjoo, Seyyed Ali-Reza, Ghomian, Nayyereh, Baghbani, Behjat. The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor. سامانه مدیریت نشریات علمی, 1393; 40(2): 98-103.

The Shape of Uterine Contractions and Labor Progress in the Spontaneous Active Labor

Iranian Journal of Medical Sciences
مقاله 2، دوره 40، شماره 2، خرداد 2015، صفحه 98-103    اصل مقاله (347.73 K)
نوع مقاله: Original Article(s)
نویسندگان
Samira Ebrahimzadeh Zagami1؛ Nahid Golmakani* 1؛ Seyyed Ali-Reza Saadatjoo2؛ Nayyereh Ghomian3؛ Behjat Baghbani4
1Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran;
2Department of Nursing, School of Nursing and Midwifery, Birjand University of Medical Science, Birjand, Iran
3Department of Gynecology, Emam-Reza Hospital, Mashhad University of Medical Science, Mashhad, Iran
4Omolbanin Hospital, Mashhad University of Medical Science, Mashhad, Iran
چکیده
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.  
کلیدواژه‌ها
Uterine contraction؛ Dystocia؛ First stage labor
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