TENS (Transcutaneous Electrical Nerve Stimulation) is commonly used for pain relief during labour. The obstetric machines have a booster button to apply greater stimulation during contractions. 
 
The OBI TENS includes:
 
Easy to set modes
Boost Button for contractions
 
What is included?
 
1 x Obi TENS unit
1 x Pack of 4 self adhesive electrodes (40mm x 100mm)
1 x Dual Leadwire
2 x AA batteries
1 x Carrying pouch
1 x Easy-release neck cord
1 x Instruction manual
1 x Women's guide (download)
 
Contra-indications:
 
Do not place electrodes on a pregnant abdomen
Do not use if you have a pace maker or other implanted electrical device
Do not use for undiagnosed pain - always check first
Check with your health professional if using before 35 weeks gestation 
 
Note - This machine can be shared between friends but each women will require her own electodes which are compatible with All Care TENS electrodes (size 5cm x 10cm)