So what is a TENS machine? Basically, it can provide pain relief during the first stages of labour by delivering tiny electric shocks to the body. Check out our pick of the best and find out everything you need to know in our TENS guide
View Gallery
7 photos

MamaTens Mytime Maternity, £39.99.
You don’t have to spend a fortune. Mothercare have a great selection of affordable rental machines. The MamaTENS MyTime also allows you to monitor how far apart your contractions are.