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ORIGINAL ARTICLE
Year : 2018  |  Volume : 32  |  Issue : 2  |  Page : 128-134

Factors prolonging the duration of the second stage of labor


Department of Obstetrics and Gynecology, Pyongyang Medical College, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea

Correspondence Address:
Dr. Yong-Chol Hong
Department of Obstetrics and Gynecology, Pyongyang Medical College, Kim Il Sung University, Ryonhwa-Dong, Central District, Pyongyang
Democratic People's Republic of Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jms.jms_36_18

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Aim: We have done this study to find factors prolonging the duration of the second stage of labor. Background: The second stage of labor is a very important period in the clinical process of labor as dangers may occur suddenly to the fetus and parturient. Prolonged duration of the second stage of labor is related to somatic characters, pregnancy, and delivery history in addition to the three important elements of labor such as bearing down, birth canal, and fetus. Objects: A total of 253 parturients between March 2012 and March 2015 were included in the study. Those parturients were divided into two groups: the first group was composed of 135 parturients with normal duration of the second stage of labor and the second group was composed of 118 parturients with prolonged duration of the second stage of labor. Methods: Odds ratio test and 95% confidence interval were applied for the analysis between normal and prolonged group with somatic and obstetrical examination findings and laboratory and ultrasonography findings. Results: The factors prolonging the duration of the second stage of labor contain height (<155 cm), body mass index (>28), body weight gaining during pregnancy (>8.0 kg), fetal position in the first stage of labor right occiput transverse (ROT) and fetal membrane condition (ruptured) for all of primipara and multipara, front wall length of uterus (>34 cm), perineum height (>3.6 cm), elapsed period of the first stage of labor (nighttime), Hb (<100 g/L), newborn's body weight (>3.0 kg) for primipa, age (over 30 years old), interval between the present and last delivery (>25 months), and the previous cesarean section for multipara.


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