Leena, MN and Pai, Muralidhar V and Poojari, Vidyashree G (2015) Relationship and effect of duration of first stage of labor on second stage. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4 (3). pp. 566-569. ISSN 2320-1770

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Abstract

Background: Objective: To evaluate the relationship and effect of first stage of labor on second stage. Methods: It was a prospective, observational study. A total of 132 subjects with cephalic presentation at or from 4 cm dilatation with or without intact membrane were included in the study. Women with more than 4 cm dilation were excluded from the study. The duration and complications of second stage were correlated with the duration of first stage. Results: Out of 132 subjects, duration of labor was less than 3 hours in 79 subjects of which 52 (65.8%) had shorter (less than 30 minutes) second stage. The duration of first stage was between 6 and 9 hours in 10 subjects of which 9 (90% had longer (more than 30 minutes) second stage and 4 subjects had first stage lasting more than 9 hours of which 3 (75%) had second stage lasting more than 1 hour. These findings were statistically significant (P = 0.001). As the duration of first stage increased the incidence of instrumental delivery was also increased however this was statistically not significant. Conclusions: As the duration of first stage increases the duration of second stage and the incidence of instrumental/caesarean delivery increases.

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