IRCT201707283860N33.

Study name	Clinical trial study of the effect of ginger plant capsules on reducing the pain in women with postpartum pain
Methods	Randomised trial
Participants	Iranian women with after‐birth pain who met the following inclusion criteria: literate; vaginal birth at 38 weeks or more; birth weight > 2500 grams; absence of drug addiction; not allergic to ginger or herbal medicine; did not have the following analgesia for labour: epidural anaesthesia, spinal anaesthesia, entonox and pethidine. Exclusion Criteria: Maternal complications including postpartum haemorrhage; pyrexia; hypertension; or chronic disease.
Interventions	Intervention group: Mefenamic acid at the dose of 500 mg (2 x 250 mg capsules) plus Zintoma, produced by Gol Dara Company, at the dose of 500 mg (2 x 250 mg capsules) are prescribed 2 hours after delivery and then 1 Mefenamic acid and Zintoma are prescribed every 8 hours for 24 hours Control group: Mefenamic acid at the dose of 500 mg (2 x 250 mg capsules) plus placebo (containing chickpea flour, produced by Gol Daru similar to Zintoma in dose and shape), at the dose of 500 mg (2 x 250 mg capsules) are prescribed 2 hours after delivery and then 1 Mefenamic acid and 1 placebo are prescribed every 8 hours for 24 hours
Outcomes	Pain intensity
Starting date	06 August 2017; completion date 23 October 2017
Contact information	Gity Ozgoli; g.ozgoli@gmail.com
Notes	Email correspondence 10 July 2020 ‐ Emailed author, this paper has been submitted to the Journal of Research in Medical Sciences. The author emailed the journal about sharing results and the journal has embargoed until publication. Expected to be published mid to late September 2020