120
Participants
Start Date
February 29, 2012
Primary Completion Date
September 30, 2012
Study Completion Date
October 31, 2012
melatonin 3mg
To receive sublingual 3 mg melatonin before spinal of anesthesia .
melatonin 6mg
To receive sublingual 6 mg melatonin before spinal of anesthesia .
placebo
To receive sublingual placebo tablet before spinal of anesthesia .
Qazvin Medical Science University, Qazvin
Qazvin University Of Medical Sciences
OTHER