Effect of heat therapy on pain severity and the end of labor in primigravida women


Fereshteh Behmanesh 1 , * , Hajar Pasha 2 , Mahtab Zeinalzadeh 3


1 Master of Midwifery, Babol University of Medical Sciences, Babol, Iran.

2 Instructor Department of Midwifery, Babol University of Medical Sciences, Babol, Iran.

3 Assistant Professor Department of Obstetric & Gynecology, Babol University of Medical Sciences, Babol, Iran.


Hormozgan Medical Journal: 12 (4); e89054
Published Online: July 20, 2008
Article Type: Research Article
Received: February 05, 2008
Accepted: July 20, 2008




Introduction: Pain is a common phenomenon and is an inevitable part of process
of childbirth. Continuous labor pain is effective of respiratory system; blood
circularly; endocrine glands and other activity of body. Heat as a non
pharmacological method of pain relief helps reduce the pain severity. The aim of
this study was to determine the effect of heat therapy on labor pain and the end of
labor in prime gravid women who referred to the hospitals of Babol University of
medical sciences in Babol in 2006-2007.
Methods: In this clinical trial study, 64 low risk nullparous women were
randomly divided into two groups (heat therapy and routine care groups). The
control group got routine cares in obstetrics ward and heat therapy group in
addition to these cares used warm bag for the low back from cervix dilatation of
3-4 cm to the end of first stage of labor and for perinea at the second stage. The
intensity of pain was determined in dilatation of 3-4, 6-7 and 9-10 cm and at the
end of second stage of labor by Mc Gill pain scale. Data was analyzed with t-test
and chi square and ManWitney tests by using SPSS Software statistical.
Results:: Comparing two groups showed a significant decrease in the intensity of
pain in heat therapy group in the first stage, in the second stage of labor
(p<0.001). Also, in heat therapy group duration of the first and third stage of
labor with p<0.001 decreased but duration of second stage of labor showed no
significant difference between two groups. The mean of APGAR score of
neonates type of delivery and perineum tear, height of fundus an hour after
delivery showed no significant difference between two groups.
Conclusion: According to the results of this study, it seems that heat affects on the
pain severity in first and second stages of labor and duration of first and third
stages of labor without any negative effect after delivery on neonate and mother.


Delivery – Pain – Pain Relief

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