While there are many benefits to using a foot spa, pregnant women should consult with their doctor before using one. The best foot spa on the market uses special features like acupressure and heat to relax the muscles and promote blood circulation.nnHowever, pregnant women are more susceptible to swelling and varicose veins, so it is important to learn about the potential risks before using a foot spa. For example, pregnant women should avoid using a foot spa for more than 20 minutes at a time.nnIn addition, pregnant women should avoid using a foot spa if they have any cuts or open wounds on their feet. By taking these precautions, pregnant women can safely enjoy the benefits of a foot spa.