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Study aim
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Comparison of pain and anxiety levels in the placebo group, the melatonin receptor group and the gabapentin reciptor group
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Design
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Clinical trials with control group, with parallel, double-blind, and randomized groups
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Settings and conduct
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The patients were randomly allocated to three groups as follows : one group received melatonin , one group received gabapentin and one group received placebo, and the degree of postoperative pain and restlessness measured in Ayatollah Taleghani hospital in Arak.
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Participants/Inclusion and exclusion criteria
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full-term pregnant women aged 18 to 40 years old undergoing elective cesarean section under spinal anesthesia
contraindications for gabapentin or melatonin
failed or partial spinal anesthesia
gravidity more than 3
Intrauterine Growth Restriction
fetal distress
history of alcoholism, drug abuse ,convulsion, migraine, dicopathy ,hepatitis ,renal failure ,cardiovascular or pulmonary diseases ,preeclampsia or eclampsia, hypertension, diabete
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Intervention groups
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30 minutes before spinal anesthesia in a group 300 mg of gabapentin and in another group, 3 ml of melatonin is given orally and given to a group placebo. All patients are given 5 ml / kg of serum ringer before spinal anesthesia.
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Main outcome variables
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Pain and anxiety score,the amount of the drug