Volume 31, Number 1 (1-2017)                   Med J Islam Repub Iran 2017 | Back to browse issues page




DOI: 10.18869/mjiri.31.56

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Haghighi L, Rashidi M, Najmi Z, Homam H, Hashemi N, Mobasseri A et al . Comparison of intramuscular progesterone with oral nifedipine for treating threatened preterm labor: A randomized controlled trial. Med J Islam Repub Iran. 2017; 31 (1) :327-331
URL: http://mjiri.iums.ac.ir/article-1-3393-en.html

Endometriosis Research Center, Rasoul-e-Akram Hospital. Iran University of Medical Sciences. Tehran. Iran , dr.ladanhaghighi@yahoo.com
Abstract:   (127 Views)

Background: Threatened preterm labor (TPL) is the leading cause of hospitalization during pregnancy. Tocolytic agents are the
primary therapeutic options for TPL. The aim of this study is to compare intramuscular progesterone with oral nifedipine as a tocolytic
agent.
Methods: This randomized controlled trial was carried out in a teaching hospital (Shahid Akbarabadi) in Tehran, Iran, from December
2011 to November 2012. Three hundred and fifteen singleton pregnant women aged >18 yrs at 26-34 weeks’ gestation with the diagnosis
of threatened preterm labor (TPL) were randomly received either intramuscular progesterone or oral nifedipine for tocolysis. Maternal
and neonatal outcomes were then compared between the two interventions. P value less than 0.05 was considered statistically significant.
IRCT registration number of this study is IRCT201112198469N1
Results: The success rate of progesterone and nifedipine in treating TPL were 83% and 82.7%, respectively. There was no significant
difference between the two interventions with regard to gestational age at delivery, type of delivery, the time interval until the delivery,
birth weight, NICU admission rate and hospital stays. Progesterone administration was associated with lower duration of NICU stay as
compared with nifedipine (0.33±0.77 days vs.1.5±3.2 days, p<0.05). None of the two drugs caused any major side effects.
Conclusion: Single dose intramuscular progesterone is as effective as oral nifedipine in treating TPL. It also significantly reduces the
NICU stay.

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Type of Study: Original Research | Subject: Gynecology & Obstetrics

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