Pour 2012.

Methods	Randomised controlled trial.
Participants	Singleton pregnancy, 38‐42 weeks, cephalic presentation, intact membranes, no disease or restrictions to perform acupressure and electrical stimulation of the skin (skin disorders such as eczema and skin infections) and heart disorders.
Interventions	1. Acupressure group: cervical dilation 3 cm to 4 cm at the beginning of uterine contractions, a researcher massaged the SP6 area (4 fingers above the ankle) on both legs for half an hour. The pressure was ended when uterine contraction was finished. 2. TENS group: clinical Tens novin (model: NEWDYNE 40B) was used. In each leg, a pair of electrodes was placed in the SP6 area. In 3 cm to 4 cm cervical dilatation, skin needle‐like flow of electrical stimulation was maintained continuously and up to the patient's tolerance for half an hour (4 Hz frequency and length of 200 metres per second). This flow increased up to her tolerance each time she felt the flow rate reducing. 3. Control group.
Outcomes	Pain intensity (3 groups) and satisfaction of technique for its use in the next delivery (2 groups).
Notes	The authors were contacted for further information on the methodology of the study. To date no response has been received.